Tag: rock

Sedimentary rock ‘chert’ records cooling of the Earth over billions of years

EARTH
Several billion years ago, the oceans were probably not as hot as often assumed, but were instead at much more moderate temperatures. This is...

Sea level rise to dramatically speed up erosion of rock coastlines by 2100

OCEANOGRAPHY
Rock coasts, which make up over half the world's coastlines, could retreat more rapidly in the future due to accelerating sea level rise. This is...

What part of a space rock survives all the way to the ground?

ASTRONOMY
When a small asteroid enters Earth's atmosphere from space, its surface is brutally heated, causing melting and fragmenting. Therefore, why the rocks near the...

Volcanic rock probe helps unlock mysteries of how Earth formed

VOLCANOES
New insights gleaned from volcanic rock are helping scientists better understand how our planet evolved billions of years ago. Studies of basalt, the material that...

Enigmatic rock layer in Mars’ Gale crater awaits measurements by the Curiosity rover

ASTRONOMY
Scientists have been studying the sediments within Mars' Gale crater for many years using orbital data sets, but thanks to the Curiosity rover driving...

Researcher confirms hottest rock on record

GEOLOGY
If there was ever any doubt the 2011 discovery by a post-doctoral student was indeed the hottest rock on Earth, new findings from a...

Curiosity Mars Rover reroutes away from ‘gator-back’ rocks

MARS
NASA's Curiosity Mars rover spent most of March climbing the "Greenheugh Pediment"—a gentle slope capped by rubbly sandstone. The rover briefly summited this feature's...
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