News tagged with ancient rocks

Curiosity in it for the long haul

In recent days, Curiosity has accomplished a number of firsts, including the first use of its laser to zap a nearby rock and its first short drive. Many more such firsts lie ahead. But as the rover prepares ...

Aug 28, 2012
5 / 5 (1) 8

Poisonous oceans delayed animal evolution

Animals require oxygen, but oxygenated environments were rare on early Earth. New research from University of Southern Denmark shows that poisonous sulfide existed in the oceans 750 million years ago making ...

Oct 24, 2011
not rated yet 0

New technique unlocks secrets of ancient ocean

Earth's largest mass extinction event, the end-Permian mass extinction, occurred some 252 million years ago. An estimated 90 percent of Earth's marine life was eradicated. To better understand the cause of ...

Oct 11, 2011
4.8 / 5 (10) 0 | with audio podcast

Reservoirs of ancient lava shaped Earth

Geological history has periodically featured giant lava eruptions that coat large swaths of land or ocean floor with basaltic lava, which hardens into rock formations called flood basalt. New research from Matthew Jackson ...

Jul 27, 2011
4.7 / 5 (6) 0 | with audio podcast