ESA images show a large meteoroid strike on Apollinaris Mons, leaving more than 100 mysterious moving dust marks on Mars.

The Mars Express orbiter has kept an eye on an elongated cloud above Arsia Mons volcano for the last few years. The cloud is ...

NASA failed to reestablish contact with its MAVEN spacecraft orbiting Mars and hasn't received any signs of life since ...

Bold statements in the world of astronomy are seldom made, but when it comes to avowedly provocative statements, it seems ...

NASA revealed that new data showed MAVEN was rotating in an unexpected way after it emerged from the far side of Mars ...

President Donald Trump enshrined the U.S. goal to put humans back on the moon by 2028 and defend space from weapon threats in ...

An in-depth look at how Elon Musk’s Starlink built the world’s largest satellite network, where it is used, and why regulators are struggling to keep pace ...

'Don't Be Such A Square' is the latest showcase of Rocket Lab's flexibility and agile launch capabilities. Working alongside the USSF's Rocket Systems Launch Program (RSLP), Rocket Lab executed the ...

Explore the mystery of Interstellar Comet 3I/ATLAS as it nears Earth. Learn why this 33-billion-ton object with a bizarre ...

Comet 3I/ATLAS X-ray observations reveal hidden hydrogen and nitrogen, offering rare chemical insight into an interstellar ...

Mars changed from a blue world with water to a red desert because its atmosphere escaped into space over billions of years.

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...