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

Ancient shoreline features hint that water on Mars once formed a vast ocean.

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

Mars, now a dusty world of rusted rock and thin air, once carried enough water to transform its face into something far more ...

New research suggests Mars was once a blue planet, as scientists identify river deltas and signs of a vast ancient ocean on ...

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

Even though the Red Planet's atmosphere is thin, wind is still one of Mars' most relentless sculptors.

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...

Researchers uncover how Mars affects Earth’s orbit, offering new insight into the planetary forces behind ice ages.