Mars may have once possessed an ocean at least as large as Earth's Arctic Ocean, a new study suggests. Previous research ...

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 ...

Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, ...

Mars today is a frozen, dusty desert. But if you look deep inside Valles Marineris, the largest canyon system on Mars and in ...

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

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

SpaceX's mission remains focused on establishing a city on one of Earth's nearest neighboring planets. Musk's Starship will ...

A Mars spacecraft has now been AWOL for more than a month. But NASA hasn't given up hope of restoring contact with the MAVEN ...

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too ...

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