Between 800,000 and 430,000 years ago, Earth went through a series of fairly gentle warm-ups that scientists are now calling “lukewarm interglacials. ” The air over Antarctica was chilly during these ...

Earth's climate has fluctuated between cold and warm periods for millions of years. During the so-called "lukewarm ...

Although the caller has remained mysterious, the sound it produced helped experts study migration patterns and ocean ...

Off the coast of Antarctica, the sea ice retreated toward the southernmost continent and, like a bottle cap taken off a soda ...

In recent years, the Southern Ocean has undergone one of the most dramatic environmental shifts observed anywhere on Earth. Scientists have tracked an unexpected and rapid rise in surface salinity ...

Most people are lucky to simply get a glimpse of some fragment of a whale. A subtle puff of mist over the horizon, the curve ...

They were ‘land masses’ that appeared on explorers’ charts for more than a century – recorded, searched for, and sometimes ...