Many tipping elements are now well-known: the Amazon rainforest, the Greenland Ice Sheet, the Atlantic Meridional Overturning ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

The Baltimore Sun considered a few outstanding scenarios that raise the question: can humanity survive long enough to figure out an escape plan for the death of our star? Will the human race be ...