Mars is about 140 million miles from our cozy planet. A human mission to that cold, rocky neighbor would mean being away from Earth for about 3 years. But the things those explorers would see and ...

Discover how inhalation of Mars' toxic dust can cause lung diseases like those seen in miners.

The surface of Mars is extremely cold, irradiated, and desiccated. But at one time, the planet was much warmer and wetter, ...

A rock containing many smaller round stones could indicate that there was once a large amount of liquid water on the Red ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the discovery of a planet about twice the size of Earth orbiting its star ...

Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ...

A new study released on Thursday describes a search for what are called "microlensing" events, where a planet acts as a ...

A TOUGH lifeform could survive the brutal conditions of Mars. That’s the verdict from scientists who spent five hours ...

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than ...

We just encountered a snake so massive, it might be one of the largest ever seen! From its incredible size to its powerful ...