Universe Today
Europa's entire icy shell shifted 70-degrees a few million years ago
Beyond "Fermi's Paradox" VIII: What is the Zoo Hypothesis?
Another possible resolution to the Fermi Paradox: we could all be living in some giant "nature preserve" where the aliens are monitoring us!
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James Webb is Working Perfectly! On the Ground. Next Trick: Doing it From Space
The James Webb Space Telescope recently passed another critical milestone - the Ground Segment Test - and is on track for its scheduled launch in Oct of 2021.
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SpaceX is Going to Hop Starship Again This Weekend
SpaceX has a busy weekend ahead with three missions scheduled for Sunday, including a 150 m hop test with the SN6 prototype!
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Supernova Wreckage is Still Expanding at Extreme Speeds After 400 Years
The gas and dust cast off by a supernova explosion keeps moving at a high speed for centuries.
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Astronomers find 100 brown dwarfs in our neighborhood
Beyond "Fermi's Paradox" VII: What it the Planetarium Hypothesis
In this installment, we explore the possibility that we haven't heard from aliens because they've got us in a simulated environment where they can watch us!
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Comet NEOWISE Was Spiraling and Spinning as it Passed by Earth
Did a supernova cause the Devonian mass extinction event?
There Could Be More Rogue Planets Than Stars in the Milky Way. Here's How Nancy Grace Will Find Them
One Theory Beyond the Standard Model Could Allow Wormholes that You Could Actually Fly Through
A new study by a team of theoretical astrophysicists shows that stable wormholes could exist, but don't expect them to be a practical means of space travel.
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It Rained So Hard on Ancient Mars that Craters Filled Up and Overflowed
There's No Chemical Difference Between Stars With or Without Planets
We Have the Technology to Retrieve a Sample From an Interstellar Object Like Oumuamua
A white paper submitted to the 2023 - 2032 Decadal Survey recommends we create spacecraft that could rendezvous and take samples from interstellar objects like 'Oumuamua
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Everyone Took Pictures of Comet NEOWISE, Including Hubble
Scientists Recreate the Density of a White Dwarf in the Lab
Inside a white dwarf, atoms are squeezed almost to the point of collape. Now we've created this matter in a lab.
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Completely Harmless Asteroid Almost Certainly Won't Hit Earth Just Before the US Election
Did Jupiter Push Venus Into a Runaway Greenhouse?
Beyond "Fermi's Paradox" VI: What is the Berserker Hypothesis?
In our latest installment, we explore the possibility that the reason we haven't heard from aliens is because they've been wiped out by killer robots!
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Lunar Landings Will Make it Harder to Study the Moon's Ice Deposits
A new study led by researchers from the JHUAPL indicates that future missions to the Moon could contaminate the lunar environment with their exhaust.
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Could There Be Life in the Cloudtops of Venus?
NASA's New Video Shows You What it's Like Traveling Close to the Speed of Light
NASA has just released an informative video that lets potential interstellar travellers know what they're in for!
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First Laser Space Debris Detection Made... in Daylight
A new technique may prove to be a powerful tool in the battle to mitigate space debris.
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The Sun Might Have Once Had a Binary Companion Star
A new study from the Harvard Smithsonian Center for Astrophysics has bolstered the case for our Sun having a long-lost binary companion.
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Could a tabletop experiment detect gravitational waves and determine the quantum nature of gravity?
A tabletop gravitational wave detector could take decades to build, but it could answer the most fundamental questions in physics.
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This Distorted Circle is Actually a Galaxy That Looked Very Similar to the Milky Way, Shortly After the Big Bang
Using ALMA, a European team of astronomers was able to observe a galaxy as it looked 12 billion years ago and were surprised to see that it looks a lot like how the Milky Way appears today.
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Remembering Don Arabian, the 'Mad Genius' Behind NASA's Apollo Engineering Team
Machine Learning Just Classified Over Half a Million Galaxies
Some Astronomers Think Betelgeuse Dimmed Because it "Sneezed". And it Might be Getting Ready to do it Again
An international team of researchers has proposed a new explanation for why Betelgeuse has been mysteriously dimming, just as it started dimming again!
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The Last Supernovae
The last supernova in history will be the final burst of light in a cold, dark, and dead cosmos.
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What's Possible When Earth and Space-based Telescopes Work Together?
A Broken Cable Smashed Part of the Arecibo Observatory
The iconic Arecibo Observatory recently suffered some damage when a support cable broke and created a large gash in the reflecting dish
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Did Snowball Earth Happen Because of a Sudden Drop in Sunlight?
Art Installation that Demonstrates How Dark Matter Bends Light with Gravity
A new art installation at the Science Gallery Dublin, called "Dark Distortions," helps viewers to see the influence dark matter has on light in our Universe.
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Fastest Star Ever Seen is Moving at 8% the Speed of Light
A star orbiting the black hole in the center of our galaxy is moving so fast it can only be described relativistically.
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Virgin Galactic Wants to Build a Supersonic Jetliner That'll go Even Faster Than the Concorde
Virgin Galactic has announced a partnership with engine-maker Rolls Royce to develop a supersonic jetliner that will be even faster than the Concorde
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A Huge Ring-Like Structure on Ganymede Might be the Result of an Enormous Impact
It's Starting to Look Like Ceres is an Ocean World, Too
SpaceX is Hiring People to Help Build a Resort at the Boca Chica Launch Facility
SpaceX recently announced that they are looking for a Resort Development Manager to help them turn Boca Chica into a bona fide spaceport
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Hubble Examines Earth's Reflection as an 'Exoplanet' During a Lunar Eclipse
Seeing baby stars at every stage of their formation
Lava Tubes on the Moon and Mars are Really, Really Big. Big Enough to Fit an Entire Planetary Base
Astronomers Think They've Found the Neutron Star Remnant From Supernova 1987a
Recent observations and theortetical work have brought us one step closer to resolving the mystery of what lies at the center of the supernova SN 1987A
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InSight's Mole Is In!
The Martian Sky Pulses in Ultraviolet Every Night
A magnetar has been discovered throwing off bizarre blasts of radiation. Is this where fast radio bursts come from?
Asteroids Somehow Migrated Past Jupiter During the Solar System's Early History
An exoplanet has been found for the first time using radio telescopes
Neutron stars of different masses can make a real mess when they collide
Why Can Black Hole Binaries Have Dramatically Different Masses? Multiple Generations of Mergers
Black hole mergers with very different masses tell us how small mergers can give rise to even larger ones.
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