A new study published in the journal PNAS suggests that Greenland might have been largely ice-free millions of years ago. Researchers arrived at...
A gigantic collision in the asteroid belt between Mars and Jupiter 466 million years ago plunged the Earth into a prehistoric ice age that ushered in...
A bird that weighed around 992 lbs (450 kg) – nearly as heavy as a polar bear – was discovered in a the Taurida Cave in Crimea, Ukraine. This is...
Modern crocodiles are known as apex predators – and rightly so. While these fearsome reptiles don't primarily hunt people, estimates indicate that...
Most living creatures on Earth need oxygen to live – as such, the element is considered one of the building blocks of life. With this in mind, it...