Related topics: mars

Exposed sediments reveal decades of Lake Powell history

Usually when a geologist walks up to a sedimentary rock outcrop and starts scanning the layers of sand, mud and silt now turned to rock, they're looking through millions of years of deep time to deduce what happened in that ...

Geologists build preliminary account of Tonga eruption

On January 15, the volcano Hunga Tonga-Hunga Ha'apai devastated the nation of Tonga. The eruption triggered tsunamis as far afield as the Caribbean and generated atmospheric waves that traveled around the globe several times. ...

NASA opens sample taken from the Moon 50 years on

The Apollo missions to the Moon brought a total of 2,196 rock samples to Earth. But NASA has only just started opening one of the last ones, collected 50 years ago.

Traces of life in the Earth's deep mantle

The rapid development of fauna 540 million years ago has permanently changed the Earth—deep into its lower mantle. A team led by ETH researcher Andrea Giuliani found traces of this development in rocks from this zone.

'Superbly preserved' pterosaur fossil unearthed in Scotland

The fossil of a 170-million-year-old pterosaur, described as the world's best-preserved skeleton of the prehistoric winged reptile, has been found on the Isle of Skye in Scotland, scientists said Tuesday.

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