years

For the first time, organic matter critical to life has been found on the surface of an asteroid

Dropping oxygen will eventually suffocate most life on Earth

We finally know why dinosaurs were giant or small, unlike modern animals

The white dots in this image are not stars or galaxies. They are black holes

Long lost, priceless fossil turns out to be a 30 million year old vampire squid

Earth’s magnetic field reversed 42,000 years ago. The consequences were dramatic

Scientists have sequenced mammoth DNA that is more than a million years old

Astronomers have just confirmed the most distant known object in the solar system

Watch a billion years of shifting tectonic plates in 40 mesmerizing seconds

Happy New Year, Mars. Here’s why it’s such a crucial week