When a Mars-sized meteorite slammed into Earth billions of years ago, the impact completely reset any and all chemical ...

Learn about the chemical signature that may be the first evidence to come from proto Earth, the unruly first phrase of our ...

Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects ...

Twin satellites are part of this GRACE mission. This orbited Earth in tandem to identify subtle gravity changes. As a result ...

What really happens beneath the surface of the planet — in one of the most secure facilities on Earth — is far from what you ...

Mars’ north polar vortex locks its atmosphere in extreme cold and darkness, freezing out water vapor and triggering a ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The dinosaur-killing asteroid that struck Earth around 66 million years ago was huge — around 7 ...