A study published in the journal Nature Geoscience has revealed a subtle yet significant phenomenon beneath the North ...

A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...

The oldest crust on Earth, known to be unchanging, is actually being altered in real time. The North American continent is ...

The northern lights revealed themselves to a handful of states Tuesday, but if you missed out, you still have a chance to ...

Solar eruptions created a northern lights display in North America and Europe overnight, with more auroras expected through Thursday.

Aurora does not have to be directly overhead to be visible: it can be observed from more than 600 miles away if the conditions are right.

The oldest crust on Earth, known to be unchanging, is actually being altered in real time. The North American continent is "dripping" rock into the lower layers of the Earth, new research says ...

Scientists found new evidence that Earth’s crust is peeling underneath the Sierra Nevada in California. The process might be ...

It was the first all-female spaceflight since 1963, when Soviet-era cosmonaut Valentina Tereshkova — the first woman in space — orbited the Earth during a nearly three-day solo flight.