In all, there are only 400 known Mars rocks on Earth, comprising less than 1% of all known space rocks on the Blue Planet.

The largest-known piece of Mars to be found on Earth will be up for bid and could be sold for up to $4 million at auction.

A rare rock from Mars known as Meteorite NWA 16788 will be up for auction at Sotheby's on July 16. The meteorite may sell for ...

What makes the biggest planet so massive?

Scientists have discovered a giant planet orbiting a tiny red dwarf star, something they believed wasn t even possible. The planet, TOI-6894b, is about the size of Saturn but orbits a star just a ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now.. Twice as large, in fact. To put that into context ...

WASHINGTON, June 25 (Reuters) - In addition to providing a trove of information about the early universe, the James Webb ...

The planet, named BD+20594b, is an estimated 2.23 times the radius of Earth and 16.3 times its mass. If confirmed, this would be among the largest rocky planets we’ve ever found.

Astronomers announced Wednesday they have discovered a massive planet orbiting a tiny star, a bizarre pairing that has stumped scientists. Most of the stars across the Milky Way are small red ...

Jupiter is our solar system's biggest planet by far. It used to be twice as large: Study A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow ...