Geologic evidence suggests water has been stable on Earth since about 4.3 billion years ago. The history of water on early Mars is less certain. Determining when water first appeared, where and ...

Researchers studying a Martian meteorite have uncovered the oldest known evidence of water on Mars, dating back 4.45 billion ...

A mineral grain from a meteorite preserved evidence that water was present on Mars 4.45 billion years ago, and it may have ...

Scientists believe a mysterious black rock found on Mars ... of years ago. Fresh research appears to have unearthed evidence that water existed on the Red Planet over four billion years ago ...

For years, researchers believed the Moon was formed 4.35 billion years ago, following a collision between a Mars-sized object ...

A mineral grain from a meteorite preserved evidence that water was present on Mars 4.45 billion years ago, and it may have ...

For all the celestial lovers, it's too hard to imagine Saturn without its glorious, extensive rings, isn't it? But here's the ...

Our rocky satellite's real age is concealed by a "remelting" event that caused its surface to liquify, distorting the story ...

The moon may be older than some scientists thought, according to a new study. It suggests that rock samples from the Apollo ...

Traces of ancient hot water on the Red Planet hint that Mars may have had a habitable past, new research reveals.

Water is in the air, on the surface, and inside rocks. Geologic evidence suggests water has been stable on Earth since about 4.3 billion years ago. The history of water on early Mars is less certain.