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

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

For centuries, Mars has captivated the human imagination. Its reddish appearance has earned it the nickname “The Red Planet,” but is it really as red as we’ve been led to believe? While Mars certainly ...

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

Bleached clay rocks found on the Martian surface suggest that the Red Planet was once home to heavy rainfall and tropical conditions, new Perseverance observations hint. When you purchase through ...

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

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"The Chinese may well beat the U.S. with a grab sample." ...

The concept of terraforming Mars — transforming the planet's climate to support life as we know it — has long belonged to the realm of science fiction. But a new study argues that it's time to take ...