A new map of Mars has revealed mysterious structures hiding beneath the sediment layers of a lost ocean. The researchers ...

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Mars – dusty, dry, and desert-clad – was once so rich in water it had not just lakes, but oceans, according to ... generation ...

Researchers have found new evidence for a massive subsurface ocean on Mars, again raising the possibility ... and meteorite impacts to create a map of the planet's interior. P-waves and S-waves ...

A hypothetical picture of Mars 3.6 billion years ago, when an ocean may have covered nearly half the planet. The blue areas show the depth of the ocean filled to the shoreline level of the ancient ...

So - how did a mission that went to Mars to analyse marsquakes and seismic activity discover what may be an ocean's worth of water over 10 kilometres below the surface? The C-S-I-R-O's Glen Nagle ...

China’s Zhurong rover found underground beach-like deposits, strengthening the case for a Mars ocean 4 billion years ago. If Mars had beaches, it means large, ice-free oceans once existed ...