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Black Hole Mergers Test the Limits of General
General relativity stands as one of the bedrock theories in modern physics. Its strange view of relative time and space
How Will Martian Gravity Affect Skeletal Muscl
NASA and the China National Space Agency (CNSA) plan to send astronauts to Mars as early as the next decade. Naturally,
Saturn-mass world discovered orbiting two low-
You just established a settlement on an Earth-like planetary body far from our solar system. You did your evening chores
This Pair Of Brown Dwarfs Can't Get Enough Of
Binary stars are known to transfer mass to one another. In extreme cases, mass transfer can even cause a supernova explo
This Super-Puff Planet is Hiding its True Natu
There are some strange types of exoplanets out there with no counterparts in our Solar System. One of those types is sup
The Sun’s Long-Lived Active Regions Are Massiv
Space weather is a fascinating subject, but one we still have a lot to learn about. One of the main components of it is
Canada Allocates $200 Million Towards the Crea
In a recent statement, Canadian Prime Minister Mark Carney announced that the federal government is investing $200 milli
The Crab Pulsar's Puzzling Emissions Finally E
Most objects that astronomers and astrophysicists study have existed for billions of years. Things like supermassive bla
Sometimes You Get Lucky, Just Like the Hubble
Some observations are the result of years of meticulous planning and cooperation between astronomers, different telescop
The Moon's Going To Get Crowded - We Should Pr
In 1959, the Luna 2 probe from the Soviet Union became the very first human-made object to reach our closest celestial n
Eclipse Study Tracks Turbulence Through the So
A recent study links ground and space-based observations to track structures moving through the solar corona. It was an
JUICE is Planning To Do Science On Jupiter's "
The European Space Agency’s (ESA’s) Jupiter Icy Moons Explorer (JUICE) probe is on its (very long) way to Jupiter, and w
Something is Changing the Small Magellanic Clo
A strange lack of stellar orbits around the core of the Small Magellanic Cloud (SMC) mystified astronomers for decades.
A New Type of Exoplanet Has a Magma Ocean That
Earth was once amagma oceanworld, just as all rocky worlds were early in their development, according to theory. As the
NASA Exoplanet-Hunting CubeSat Delivers "First
NASA’s Star-Planet Activity Research CubeSat (SPARCS) is a small space telescope that launched to space on January 11th,
Astronomers Search for "Exotrojans" Hiding in
Greek mythology has given a name to a great many objects in our solar system. But perhaps one of the least well understo
Why Conventional SETI Needs A Major Refocus
Conventional SETI (Search For Extraterrestrial Intelligence) strategies have long been built on the idea that intelligen
CERN Adds a New Particle to Large Hadron Colli
The Large Hadron Collider’s subatomic discoveries didn’t stop with the Higgs boson: This week, scientists at Europe’s CE
Is the Universe Defective? Part 4: Hiding in P
This is Part 4 of a series on topological defects. Read Parts1,2, and3. The WHAT? Yeah, the vortons. It’s not an anime
New Study Complicates the Search for Alien Oxy
Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundan
The Coming Age of Space Stations
TheInternational Space Station(ISS), which has been continuously occupied for 26 years, is approaching retirement. By 20
Are Rogue Exomoons the Newest Frontier in the
The Milky Way could host billions of free-floating planets (FFP) according to some research estimates. Also called rogue
Microscopic "Ski-Jumps" Could Shrink Spacecraf
Every ounce counts when launching a rocket, which is why considerations for the Size, Weight, and Power (SWaP) of every
Is the Universe Defective? Part 3: The Great V
This is Part 3 of a series on topological defects. Read Parts1and2. Mathematics—specifically the kind of topology that
A 60-Year Old Mystery About the Moon's Magneto
One particularly well known fact about the Moon is that it doesn’t have much of a magnetosphere to speak of. There’s no
Reading Europa's Fingerprints
Europa is not supposed to look the way it does. Jupiter's icy moon is scarred by a chaotic patchwork of fractured terrai
Life, But Not As We Know It
Here is a problem that has been quietly gnawing at astronomers for decades. The standard approach to detecting life on o
The Sun's Great Escape
Our Sun is a middle aged, average star sitting in an unremarkable corner of the Milky Way. It fuses hydrogen into helium
Is the Universe Defective? Part 2: The Persist
This is Part 2 of a series on topological defects. Read Part1. But here’s the thing about these defects. They can’t jus
The Seven Hour Explosion Nobody Could Explain
Gamma-ray bursts are the most violent explosions in the universe. In a fraction of a second, they can release more energ
NASA's DART Mission Also Changed Didymos' Orbi
NASA’sDouble Asteroid Redirection Test(DART) spacecraft impacted the asteroid moonlet Dimorphos, which orbits the larger
Is the Universe Defective? Part 1: The Good Ol
This is Part 1 of a series on topological defects. Every time you flip a light switch, or check the time, or feel the s
The Universe's Most Powerful Particle Accelera
Picture a vast invisible doughnut wrapped around a planet, filled with electrons and protons hurtling around at extraord
A Glorious Spiral of Star Formation
To understand how stars form, astronomers need to watch the process play out in galaxies. That simple fact is behind PHA
Why Are Interstellar Comets So Weird? Part 4:
This is Part 4 of a series on interstellar comets. Read Parts1,2, and3. So that's all nice. But why now? That's the qu
ESA's Mars orbiters watch solar superstorm hit
In May 2024, people worldwide witnessed beautiful aurorae that appeared far beyond Earth's polar regions. Even the Auror
This Isn't Just Another Rocky World Orbiting a
Astronomers have found an exoplanet that could serve as a benchmark in future studies. It's a rocky planet orbiting an M
Scientists Find Evidence of Worlds Colliding .
Astronomers say unusual readings from a star system 11,000 light-years away suggest that two of the planets circling the
Only A Supercomputer Can Understand the Extrem
Neutron stars are the remnants of supernova explosions. They're known for their extreme density, and it's often said and
Why Are Interstellar Comets So Weird? Part 3:
This is Part 3 of a series on interstellar comets. Read Parts1and2. So why should we expect interstellar comets like 3I
The Early Universe was Hot, Dense, and Soupy
In its earliest moments, the Universe was hot and dense. A plasma sea of quarks and gluons out of which hydrogen, helium
CHEOPS Discovery Defies Planetary Formation Ru
An inverted exoplanet system gives new insights on an old theory of formation. We’re starting to see just how exception
The Most Energetic Ghost Particle Ever Seen
Imagine catching a single raindrop and realising it fell from a storm on the other side of the universe. That's roughly
The Sun That Never Flips
Here's something worth thinking about next time you glance up at the sky on a clear day. The Sun is spinning, not unifor
"Ionic Liquids" Could Redefine the Habitable Z
“Follow the water” has been a guiding mantra of astrobiology, and even space exploration more generally for decades. If
New Study Says There's a Way to Make Dyson Bub
In addition to being a staple of science fiction, the concept of megastructures has long been the subject of serious sci
Finding Gold In A Stellar Explosion
Our first satellites were little more than repeater stations that propagated our radio and tv signals around the world.
Why Are Interstellar Comets So Weird? Part 2:
This is Part 2 of a series on interstellar comets. Read Part1. Once you start listing the properties of 3I/ATLAS, it be
Looking for Supermassive Black Hole Binaries w
Most galaxies have a supermassive black hole at their center, but some galaxies have two. These supermassive binaries fo
Researchers Create a Nanoengineered Light Sail
Traditional chemical rockets, though they are the most commonly used propulsion method for space exploration today, are
China's Space Programme Prepares for Its Busie
The Chinese didn't invent the rocket but they came remarkably close. More than a thousand years ago, during the Song Dyn
The Final Journey of Van Allen Probe A
Wrapped around our planet, invisible and largely unknown by most of the people living beneath them, are two of the most
Reading the Sun's Mind Weeks Before It Erupts
Our Sun is, by everyday standards, a barely believable object. A million Earths could fit inside it. Every second, it co
AI Could Make Alien Contact More Likely for SE
“Project Hail Mary,”a science-fiction novel that’s just been turned into abig-budget, big-screen movie, tells the story
The Sun Has a Heartbeat
Think you know the Sun? You glance up on a clear day, feel the warmth on your face, and it seems reassuringly constant.
Sunday Morning's European Fireball Was Probabl
On Sunday March 8th, people in Belgium, France, Germany, Luxembourg, and the Netherlands watched as a fireball crossed t
The Rubin Observatory's LSST Will Detect Immin
The Vera Rubin Observatory (VRO) has barely begun observations and is already wowing us. Images like itsCosmic Treasure
New Study Addresses Clotting Risks for Female
It's no secret that prolonged periods spent in microgravity takes a toll on the human body. This includes muscle atrophy
Why Are Interstellar Comets So Weird? Part 1:
This is Part 1 of a new series on interstellar comets. Imagine you live in a small town. Maybe it’s easy for you to ima
The Answer is Written in the Stars
Here's a question that sounds simple but has kept cosmologists arguing for decades - how old is the universe? You'd thin
Aliens Might Have Their Radio Signals Blurred
Back in the early 2000s, my computer screen, like that of many other space enthusiasts, was typically covered in a serie
Scientists Find the First Direct Evidence of B
Scientists occasionally have a hard time figuring out whether data they are seeing is an actual physical phenomenon or j
How Jagged Moon Dust Could Support Future Astr
Lunar dust can be a pain - but it’s also literally the ground we will have to traverse if we are ever to have a permanen
The JWST Reveals Some Puzzling Surprises in Ju
On Earth, aurorae are fleeting displays. They occur when charged particles from the Sun strike Earth's magnetosphere. Mo
Terraforming Mars Isn't a Climate Problem—It's
Even when the idea of terraforming Mars was originally put forward, the idea was daunting. Changing the environment of a
Starshade concept could reveal Earth-like exop
Finding Earth-like exoplanets with the composition and ingredients for life as we know it is the Holy Grail of exoplanet
Astronomers Produce the Largest Image Ever Tak
The central region of our Milky Way, sometimes referred to as the "Bulge," remains something of an enigma to astronomers
Astronauts Use Bacteria and Fungi to Harvest M
It's a well-known fact that if humanity wishes to explore deep space and to live and work on other planets, we need to b
VLT Image Captures a "Cosmic Hawk" Spanning it
The European Southern Observatory (ESO) just released its photo of the week. This image, acquired by the Very Large Tele
Making New Solar Activity Connections From Old
Astronomers gain new key insights from old solar observations. It’s tough sometimes, living with a tempestuous star. Mo
The 4.6-Billion-Year-Old Tape Recorder Hidden
Asteroids are critical to unlock our understanding of the early solar system. These chunks of rock and dust were around
Mars Express Images Reveal Mars' Pockmarked Su
The ESA'sMars Expressprobe has been surveying Mars from orbit for more than twenty years. The way it has mapped the surf
Astronomers Using MeerKAT Spot a Cosmic Laser
The Universe is full of surprises, including a fascinating type of "space laser" known as Mega-Microwave Amplification b
Phew! NASA Rules Out Asteroid Smashup on the M
Here's one less thing to worry about — or to look forward to: NASA has ruled out any chance that an asteroid called 2024
Scientists Publish the First Direct Measuremen
Back in February 2025, a SpaceX rocket that had delivered 22 Starlink satellites to orbit had a malfunction. It failed t
Illinois and UChicago Physicists Develop a New
For about a century, scientists have known that the Universe is in a state of constant expansion. In honor of the scient
What Goes On Inside A Massive Star Before It E
When most people think of a supernova, they're thinking of a Type II core-collapse supernova. These are massive stars th
NASA’s Eclipse Megamovie Project Releases Full
On April 8th, 2024, people across the world witnessed a solar eclipse, a relatively rare event in which the Moon occults
Introducing the 'Interplanetary Habitable Zone
Anyone familiar with the search for alien life will have heard of the “Goldilocks Zone” around a star. This is defined a
Cosmic Collaboration: Euclid and Hubble Team U
It's strange that a dying star is at the heart of this glowing cloud of gas, ionizing it and lighting it up almost like