78 million years ago, a 1.6 km asteroid slammed into what is now Finland, creating a crater 23 km (14 mi) wide and 750 km ...

According to NASA, a low Earth orbit (singular) is any orbital trajectory that stays within 1,200 miles (2,000 kilometers) of ...

Sooner or later, a sizable asteroid could impact a populated area on Earth. How is the US, and the world, preparing?

If NASA must pull back, Europe is ready to step up — and do so with open arms. As climate extremes intensify and global tipping points loom, Earth science has never been more vital — but not everyone ...

Around the world, international borders are hardening. Nations are competing for resources, technology and even orbits. But in Vienna this June, a different vision took center stage. One where space ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. While rocks are not exactly living things, they are not immune to ...

Earth's rotation is randomly speeding up, and nobody is quite sure why. These speedups, which have occurred several times over the last few years, haven't had any effect on daily life, but they also ...

The Ring of Fire is an enormous belt of active and dormant volcanoes that surrounds most of the Pacific Ocean. It runs from southern Chile, up the west coast of the Americas, through the islands off ...