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

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

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

Since it began collecting data, the James Webb Space Telescope (JWST) has shined a light on the early universe, helping us better understand the timeline of events that led to our modern-day cosmos.

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

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

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

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

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

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

[Santa Cruz de Tenerife, Spain, March 19, 2025] — Acclaimed filmmaker Christopher Nolan was awarded the prestigious Hawking Medal for Science Communication at the Starmus Festival, sharing 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 ...