Can you tell the difference between California, Venus, Titan and Mars? Hint: California is the one with buildings.
Californians woke up to an alien-looking sky this morning, Wednesday, September 9, 2020. (more…)
Rosetta’s Philae Lander Was Alive on the Surface of 67P for 63 Hours, Trying to Communicate
In August 2014, the ESA's Rosetta spacecraft arrived at its destination, Comet 67P/Churyumov-Gerasimenko, after a 10 year journey. Rosetta carried…
The Strange, Misshapen Orbits of Planet-Forming Disks in a Triple-Star System
Whatever we grow up with, we think of as normal. Our single solitary yellow star seems normal to us, with…
There are Three Asteroids Hiding in this Animation, See If You Can Find Them
This summer, the European Space Agency’s Near-Earth Object Coordination Centre (NEOCC) started posting “riddles” or challenges on their website. These…
Astro-Challenge: Adventures in Daytime Astronomy
It's one of the stranger observations in ancient literature. A curious account comes to us by the 1st century AD…
Okay, New Idea. Oumuamua is an Interstellar “Dust Bunny”
Explaining the concept of a dust bunny to small children can be quite amusing. No, it’s not actually alive. It’s…
Extraterrestrial Hunters Figure Out a Way to Expand Their Search for Signals by a Factor of 200
Thanks to a new study by SETI researchers, Breakthrough Listen's search for extraterrestrial intelligence has expanded by a factor of…
Nancy Roman Telescope’s Primary 2.4-Meter Mirror is Ready
The Nancy Roman Telescope has reached another milestone in its development. NASA has announced that the space telescope's primary mirror…
Gravitational waves could show what’s happening inside a star as it’s going supernova
It's kind of hard to see inside a star as it's blowing up, because of the whole "blowing up" part,…
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.