A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for ...

It's too soon to know whether the object is a rocky asteroid or an icy comet, or how big and what shape it is.

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...

"NWA 16788 is a discovery of extraordinary significance — the largest Martian meteorite ever found on Earth, and the most ...

The proposed national US budget for 2026 contains a few nasty surprises for NASA, and some serious disappointments—among them ...

The next waypoint on Psyche's voyage will be a flyby of Mars in May 2026. Officials expect Psyche to keep that date, which is ...

Earth lives in a shooting gallery, with small and large rocky bodies in abundance in our solar system. Are we in danger of ...

The biggest piece of Mars on Earth is going on sale and is set to become the most expensive space rock in the world. The 54lb ...

The largest Martian meteorite ever found on Earth is being auctioned off later this month and could fetch up to $4 ...

Astronomers estimate that an asteroid this large comes this close to Earth only about once every 7,500 years. It also appears to be a stony, non-metallic type of asteroid known as an ordinary ...