The SpaceX Crew Dragon Endeavour, now set to splash down this week, has racked up the most time spent in space by a crewed ...

More than twice the expected amount of novae have been found popping off along the jet from M87’s supermassive black hole.

The bright, naked-eye star Betelgeuse is well known for its variations — some of which may be caused by an unseen companion ...

The crew spent nearly eight months aboard the International Space Station conducting more than 200 scientific experiments.

The latest X-ray observatory found a warped black hole disk and a supernova spewing iron — and it’s just getting started ...

Comet C/2023 A3 — better known as Tsuchinshan-ATLAS — is fading in brightness as it speeds away from the Sun and Earth in the ...

In this episode, Dave Eicher invites you to observe one of the major meteor showers of the year. It’s called the Orionids ...

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Astronomers hypothesize that a long-ago dwarf galaxy dubbed Loki may have merged with the Milky Way when our galaxy was in ...

Catch some shooting stars, get in a glimpse of the fading Comet Tsuchinshan-ATLAS, and see Venus mingle with Antares in the ...