Billions of years ago, water flowed across Mars. Most scientists agree the red planet had rivers. But did those rivers flow ...
New research shows that marine heat waves can reshape ocean food webs, which in turn can slow the transport of carbon to the ...
Ariel, one of Uranus' icy moons, may once have concealed a vast ocean more than 100 miles (170 kilometers) deep beneath its ...
An analysis of clam shells suggests the North Atlantic subpolar gyre has had two periods of destabilization over the past 150 ...