“The presence of liquid water [on Mars] is a broad topic that includes rains, rivers, lakes, as well as oceans,” says Ezat ...

NASA’s Curiosity rover has photographed a knobbly Martian rock that looks strikingly like a piece of ocean coral, a reminder ...

NASA’s rover Perseverance spent nearly a year exploring the rim of a crater believed to have held a huge lake.

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

NASA has launched the Mars to Table Challenge, seeking Earth-independent food systems capable of sustaining astronauts on ...

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

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

geological signatures indicate that around 3.4 billion years ago, a connected oceanic system existed on a planetary scale, rather than just isolated lakes.

NASA’s Curiosity rover captured a coral-shaped rock on Mars. Though not alive, its shape reveals clues about the planet’s geology. Small discoveries like this help scientists decode Mars’ ancient past ...