Here’s how to see the year’s most-intense meteor shower, a blood-red lunar eclipse and Saturn’s refreshed rings this summer.

Find out what's up in your night sky during July 2026 and how to see it in this Space.com stargazing guide.

Researchers working with data from the South Pole Telescope have released a major catalog of galaxy clusters, giving ...

NASA successfully launched its mission to save the Neil Gehrels Swift Observatory on July 3, just over nine months after ...

NASA’s Swift space telescope is reaching the end of its two-decade run in orbit – unless a satellite launched on 3 July can ...

The Swift observatory has been in orbit for 22 years but it's on track to fall from the skies.

The Hubble Space Telescope is an audacious expression of human curiosity. Since its launch in 1990, it has done much more than just expand humanity’s scientific reach: it has changed how people see ...

A three-armed spacecraft rocketed into orbit Friday to rescue a NASA telescope that’s in danger of crashing back to Earth.

Katalyst Space's LINK spacecraft is designed to capture and boost NASA's Swift observatory back to a safe altitude.

A refrigerator-size spacecraft will try to grab onto Swift and nudge it to a higher orbit, enabling it to continue observing powerful cosmic explosions.

NASA on Tuesday plans to launch a mission to save its Neil Gehrels Swift Observatory. A spacecraft is expected to push the ...

NASA is racing to save an aging telescope from falling back to Earth with a daring rescue mission. The $30 million salvage ...