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

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 ...

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 ...

A sudden halt to Earth's rotation, though improbable, would trigger catastrophic events. Inertia would cause widespread ...

How do you measure climate change? One way is by recording temperatures in different places over a long period of time. While this works well, natural variation can make it harder to see longer-term ...

Archaeologists unearthing a site known as Canhasan 3 Höyük, located within Turkey's Karaman province, have uncovered “the world’s oldest-known street,” which dates back 9,750 years, according to ...

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 ...

Blue moons, blood moons and honey moons have all worked their way into fiction and folklore, but the changing hue of our planet's biggest satellite remains rooted in science. The moon doesn't produce ...