German Chancellor Friedrich Merz presents President Donald Trump with a gilded gift—a framed copy of Trump’s grandfather’s ...

The northern lights could be seen in parts of the northern US this weekend, according to NOAA. A solar storm is expected to ...

A massive solar storm knocking out electricity for months—or even years—sounds like science fiction, but it’s a looming ...

NASA’s shocking discovery of X-shaped structures in Earth’s ionosphere could unleash chaos.

A solar storm this weekend could trigger rare aurora sightings in the U.S., with glowing skies possible as far south as New ...