(Phys.org) —What happened the last time a vegetated Earth shifted from an extremely cold climate to desert-like conditions? And what does it tell us about climate change today?
(Phys.org) —Semi-precious minerals found in a bucket of sand from an island nation have cracked open a clue to the drifting movements and break-up of ancient Earth's massive continental plates.
Brazilian geologists announced the discovery, 1,500 kilometers (900 miles) from Rio, of what could be part of the continent that was submerged when the Atlantic Ocean was formed as Africa and South America drifted apart 100 ...
Using a new laboratory technique to analyze fossil snail shells, scientists have gained insights into an abrupt climate shift that transformed the planet nearly 34 million years ago.
The circum-Antarctic Southern Ocean is an important region for global marine food webs and carbon cycling because of sea-ice formation and its unique plankton ecosystem. The origin of its ecosystems can be traced back to ...
(Phys.org) —Australia's summer heatwaves are lasting longer and have been increasing in number over the past 60 years, a UNSW study shows.
Chameleons took to the waves to migrate from Africa to Madagascar about 65 million years ago, said a study published on Wednesday that seeks to resolve a roiling biological debate.