The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to protect Earth from the threat of an asteroid impact. By smashing a ...

Here's why the astronauts have brushed up on lunar geology, even though they won't land.

Explore four hypothetical worlds that could be more suitable for humans than Earth, based on current research and simulations ...

The northern lights glowed across much of the United States last night. Is the aurora borealis returning to Ohio tonight?

Webb’s breathtaking view of the Helix Nebula shows a dying star’s final breath becoming the seeds of future worlds.

The rare 3I/ATLAS alignment on Jan. 22 coincides with the 'opposition surge' phenomenon. Learn the mystery of this 13-billion ...

Missed last night's northern lights in NJ, and want to catch a glimpse of the aurora tonight? Here's timing, maps, when to ...

Scientists have developed a way to generate tiny amounts of solar energy at night. It’s true potential could be in space.

A powerful flare unleashed a severe solar storm that caused auroras and GPS disruptions on Earth.

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

The excitement is building as NASA works toward launching its first crewed lunar flight in more than five decades. The Artemis II mission, which will take four astronauts on a 10-day voyage around the ...

NASA said that while the mystery of the Circinus galaxy’s excess emissions has been solved, there are billions of black holes ...