EDT on Sunday, September 22, 2024, the sun will cross the celestial equator, putting the magnetic fields of Earth and the ...

The Jupiter Icy Moons Explorer (Juice) spacecraft, barreling through our solar system, recently used Earth's gravity to ...

In a geologic instant—over the last few centuries, merely—the unfathomably long and patient work of Earth is being undone.

The magnificent galaxy featured in this NASA/ESA Hubble Space Telescope image is NGC 1559. It is a barred spiral galaxy ...

The sun is midway through its life of fusion. It's about 5 billion years old, and though its life is far from over, it will ...

A giant moon with a chunk taken out of it was visible in the skies on Tuesday night. Here are some of the best shots in case ...

The northern lights visible across the United States after a solar flare were the most widespread and intense aurora show ...

The strong geomagnetic storm conditions experienced last night were relished by aurora chasers across the U.S. (those who ...