The Zhurong findings add to the growing evidence of water existing on Mars. "To make ripples by waves, you need to have an ice-free lake. Now we're saying we have an ice-free ocean. And rather than ...

The north pole of Mars is slowly sinking under the weight of an ice cap that only formed within the past few million years. And, in the process, it's telling us something about what the planet's ...

The other set, found nearby in the Amapari Marker Band of rock, suggests the presence of a lake with up to ... formed in ancient, ice-free lakes in Gale crater, Mars, Science Advances (2025).

The ripples suggest that the lake was free of ice at one point. Today, we know of Mars as a cold, dry desert, with patches of subterranean ice and ice caps at its poles. Billions of years ago ...

Despite the chilly temperatures, there could be liquid water underneath the surface ice ... lake, 20 kilometres across, hidden beneath the south pole. If there were once oceans on Mars, they ...

Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south pole that are visible only in springtime on the Red Planet. This image ...

Today, we know of Mars as a cold, dry desert, with patches of subterranean ice and ice caps at its poles. Billions of years ago, however, liquid water flowed freely across the planet. And, while ...

How the geysers form During winter, carbon dioxide ice builds up on Mars' surface. Unlike Earth's ice, this frozen carbon dioxide is transparent. Sunlight passes through it, warming the ground ...