On March 29, the Moon will wedge itself between the Sun and Earth, blocking only a part of the star from our view.

What's on and in a star? What happens in an active galactic nucleus? Answering those questions is the goal of a proposed giant interferometer on the moon. It's called the Artemis-enabled Stellar ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

The trailblazing Harvard scientist, who documented the dominance of hydrogen and helium in stars, is still inspiring ...

The spacecraft, about the size of a small car, conducted a series of experiments. It drilled three feet into the lunar soil, took X-ray images of the magnetic bubble that surrounds and protects Earth ...

Butch Wilmore and Suni Williams, who’ve been at the space station since June, will return to Earth along with two Crew-9 astronauts.

By Eric Lipton The sun has set on the Blue Ghost spacecraft, ending a successful mission to the moon. By Kenneth Chang ... planets around a nearby star, only to retract the claims.

the closest single-star system to Earth, a pair of telescopes has revealed multiple rocky worlds around it Rudy Molinek The European Space Agency’s “dark universe detective” discovered ...

Astrophysicist Paul Sutter talks about the science behind "Three Body Problem," "Interstellar," and "Avengers: Infinity War." ...

On a recent night in San Francisco, amid the phosphorescent glow of Fisherman’s Wharf and the Bay Bridge, the artist Ala Ebtekar set out to have a conversation with the moon and stars.

The giant outer planets, such as Jupiter have 95 moons and Saturn has 146. But there’s only one moon for our planet Earth ... evolution, and the biggest stars of the music genre.