Universe Today
Nancy Roman Telescope's Primary 2.4-Meter Mirror is Ready
Gravitational waves could show what's happening inside a star as it's going supernova
New Simulation Shows Exactly What Dark Matter Would Look Like If We Could See It
A detailed simulation of dark matter finds that dark matter haloes form in a wide range of sizes.
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Neptune & Triton - August 31, 1989.
SpaceX's Starship Prototype Nails Another Hop Test! Bring on Orbital Flights!
SpaceX has nailed the hop test once again and the Starship is on its way toward making high-altitude flights and trips to space!
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Some Quasars Actually Contain Two Supermassive Black Holes in the Process of Merging
Astronomers have found a powerful quasar powered by two supermassive black holes.
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Review: Canadarm and Collaboration by Elizabeth Howell
Think you know the Canadian space program? A new book may prove otherwise. The book is Canadarm and Collaboration: How Canada's Astronauts and Space Robots Explore New Worlds by Elizabeth Howell, out on October 20th, 2020 by ECW Press.
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Machine Learning Algorithm Scoops up 50 New Exoplanets
A machine learning algorithm created by scientists in the UK has confirmed 50 new exoplanets, effectively opening the door to AI-enabled exoplanet studies!
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Astronomers Thought They'd Found a Red Dwarf That Wasn't Hostile to its Habitable Zone Planets. They Were Wrong
New research using Hubble archive data shows that GJ 887, the nearby red dwarf star system with two exoplanets, might not be as calm and "boring" as we thought!
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Hubble Shows the True Size of Andromeda
Quasars can twinkle?
The Solar System has been Flying Through the Debris of a Supernova for 33,000 Years
Hubble's Photo of the Cygnus Loop is, Of Course, Incredible
A New Non-toxic Propellant is Looking Promising
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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