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

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

In addition to shaping the interior of rocky planets, molten rock located deep within these planets may also contribute to ...

About 700 million years ago, Earth was entombed in a veneer of ice hundreds of feet thick—a frozen state scientists refer to as “Snowball Earth.” Oceans cooled but managed to retain some heat to avoid ...

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

The cycling of water within Earth's interior regulates plate tectonics, volcanism, ocean volume, and climate stability, ...

Our planet is unique for its ability to sustain abundant life. From studies of the rock record, scientists believe life had already emerged on Earth at least 3.5 billion years ago and probably much ...

"The structures that we were able to identify in the images are clearly the mouth of a river into an ocean." The post ...

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

The curious minds at What If explore a world where algae took over every ocean, revealing environmental, ecological, and societal consequences of a green planetary takeover.

The last three years were the warmest on record with 2025 being the third hottest climate scientist Zack Labe has said. This ...

A mammoth opening leg from Alicante to Auckland will be the longest in race history ALICANTE, SPAIN, January 21, 2026 ...