The discovery suggests that parts of Mars may once have supported tropical-like climates, complete with heavy, sustained rainfall.

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if Mars weren't there?" ...

It would really suck to be all alone on Mars at night. The post This Photo of Mars at Night Is Straight Up Haunting appeared ...

Bright white rocks found by NASA’s Perseverance rover hint at ancient Martian rain lasting millions of years, raising new questions about how wet Mars once was and what those conditions might mean.

The Perseverance rover is continuing its mission to find clues about the geological past of Mars. The rover’s main goals are ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

A pull in the right direction ...

New simulations show red planet affects Milankovitch cycles that shape how solar energy is distributed on Earth over millions ...

For the first time, a Mars rover has crossed alien ground following a route drawn up not by human engineers, but by artificial intelligence. NASA’s Perseverance Mars rover recently completed a set of ...

Despite its small size, Mars seems to have a huge impact on the orbital cycles that govern Earth’s climate, especially those ...

This doesn’t mean Mars causes ice ages on its own. Orbital cycles are only part of the picture. Earth’s oceans, atmosphere, ...

For anyone curious about what it's like to stand on another planet, Earth offers a few convincing previews. Mars may be 140 ...