Amateur astronomers can use NASA's mobile app to find the ACS3 for themselves—a reflective satellite that could appear as ...

There's a once-in-a-lifetime cosmic blast that'll illuminate the night sky that could happen at any moment.

A NASA spacecraft erected a large, foil solar sail in orbit around Earth last week, after a failed attempt days earlier.

Eclipses: The best by far is the total solar eclipse, like the one seen in Vermont and Plattsburgh on April 8. Unfortunately, ...

NASA's Advanced Composite Solar Sail System (ACS3) can be seen with the naked eye as it orbits Earth, and can be tracked with ...

In 2024, International Observe the Moon Night takes place on Saturday, September 14, during the Waxing Gibbous phase, roughly ...

NASA's testing a solar sail system in space, and the spacecraft that brought the tech there has snapped a photo.

With the fall season quickly approaching, you might find yourself wanting to hunker down at home for a cozy night in more ...

Dave Eggers is the author of “The Circle,” “What Is the What” and, most recently, “The Eyes and the Impossible,” winner of ...

Astronomers were able to capture detailed observations of massive gas bubbles moving on the surface of a star, named R. Doradus, located 180 light-years away.

Hundreds of gamma-ray bursts (GRBs) have been recorded as part of an enormous global effort so extensive it "rivals the ...

Record heat doesn’t mean you have to suffer record boredom. Here are some ideas where you can go to stay cool, have fun or ...