Animals when judged on a scale of human behaviors often don't do very well. But when you measure their intelligence and cognition against skills they are supposed to have, some do extraordinarily well.
The 195 nations that signed the Paris climate deal have pledged to keep the average global temperature from rising 2 degrees Celsius above pre-industrial levels. Here's one way to visualize how close we're already getting to those limits.
Global warming has profound effects on our planet, including melting Earth’s immense ice sheets. A new study from NASA reveals an unexpected result of all that ice melting: It’s moving the axis of rotation of the entire planet.
He’s been called the first man "to boldly go where no man has been before." Or, at least, no Englishman. Captain James Cook explored and mapped Australia and New Zealand, and became the model for Captain James T. Kirk of Star Trek fame.
Life on Earth is even older than we thought, Australian scientists said Thursday as they unveiled fossils dating back a staggering 3.7 billion years. The tiny structures — called stromatolites — were found in ancient rock along the edge of Greenland's ice cap, and were 220 million years older than the previous record holders.
The Pinta tortoises of the Galapagos Islands have been extinct since the last one, Lonesome George, died in 2012. Now, scientists are trying to revive the species using hybrid descendants recently discovered.