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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