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

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.

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

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

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

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

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 ...

In a preliminary budget proposal, the agency’s science programs would see a 50 percent reduction, with a 20 percent cut to ...

The company’s New Shepard rocket launched celebrities and four others to the edge of space and back on April 14, 2025.

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

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky ...