The constellation of four satellites can take both narrow- and wide-field images of the Sun to study its corona and solar ...

Fresh data from the James Webb Space Telescope provide more evidence for what some consider a biosignature — but debate is ...

The rotating disk galaxy, mostly made up of dark matter, was discovered within a larger cloud of fast-moving hydrogen gas.

The photo of a 9.5-light-year-long cloud within the Eagle Nebula celebrates the space telescope’s upcoming 35th birthday.

The company is developing a commercial replacement for the ISS, currently planned to be retired at the end of the decade.

The U.S. is in the midst of a second Space Race, and NASA is in a time crunch. How can it keep ambitions for the Moon and ...

Barring any major development, Isaacman will likely be confirmed as NASA administrator by the Senate in the coming weeks. The ...

There’s real joy in sharing a telescope with others and observing in a crowd. Here's how you can find a star party near you ...

A planetary scientist explains new research explaining the differing compositions between space rocks that hit Earth and are ...

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

The shining Southern Pinwheel Galaxy (M83) in Hydra checks almost every box an amateur astronomer could desire.

We’ve wondered what powered the Sun for centuries. Early guesses included meteor showers, chemical combustion, and ...