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

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, ...

Nasa has triumphantly reestablished communications with its Mars rovers following a two-week solar conjunction blackout, ...

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.

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

geological signatures indicate that around 3.4 billion years ago, a connected oceanic system existed on a planetary scale, ...

Instruments like the those currently on the Red Planet were used to study samples collected from an 'Mars-like' area in Chile ...

MARS was not always the beaming red we’re so used to seeing in space. Scientists have revealed that it was actually a “blue ...

So, Mars does have storms, but they’re far drier and dustier than the thunderstorms on Earth. Scientists are continually ...

To land on the right foot on the Red Planet, European engineers have been dropping a skeleton of the four-legged ExoMars ...

ESA's first mission to another world, the Mars Express orbiter, began circling the Red Planet on June 2, 2003. Ever since, ...