A coronal mass ejection from the Sun is expected to arrive by midday, potentially causing “strong” geomagnetic storms and ...

Auroras are bright and colorful displays in the night sky, caused when energetic particles from space collide with atoms and ...

A massive Arctic cold front descended on more than 200 million Americans in early December 2024, bringing temperatures 10 to ...

The northern lights could be visible in more than a dozen states thanks to a burst of plasma and energy from the sun.

NASA’s “fake Moon” isn’t a movie set — it’s a massive underwater world built to break astronauts before the real Moon can. At ...

Portions of 15 states could have a full or partial view of the aurora Monday and Tuesday, per the agency’s forecast, ...

Eruptions of charged particles from the sun are moving toward Earth and could create vivid displays of the northern lights, ...

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they work.

Despite this, scientific understanding of how Antarctic marine life is responding to this unprecedented warming scenario is ...

The winter solstice varies by year, between Dec. 20 and Dec. 23. It marks the shortest day and longest night in the Northern ...

Auroras may be visible from Alaska to Illinois as an incoming coronal mass ejection is expected to slam into Earth.

A burst of plasma and energy from the sun could make the northern lights visible in more than a dozen states this week.