Space.com

Using the XMM-Newton telescope, astronomers have discovered a vast 23 million light-year-wide tendril connecting galactic clusters and containing much of the universe's missing matter.

SpaceX's newest Starship vehicle exploded on a stand in Texas late Wednesday night (June 18), as it was being prepped for the program's 10th-ever test flight.

The alignment occurs hours after the moon hits its third quarter phase.

A new Chinese refueling spacecraft met up with an older satellite in high Earth orbit this month, apparently marking a step forward in orbital servicing.

Mars will remain in the Spring Triangle until mid-September.

The Japanese automaker Honda just hit a key milestone in rocket reusability with a near-bullseye landing during a vertical test flight in Hokkaido.

Resistance is futile! We look back on the classic 'Trek' episode, back when the Borg were still the scariest bad guys in the galaxy.

NASA's Terra satellite captured huge chunks of sea ice breaking apart in Canada's Amundsen Gulf.

"We know that daytime migratory insects use the sun, so testing the starry sky seemed an obvious thing to try."

We spoke to "Elio" stars Zoe Saldaña, Yonas Kibreab, and Brad Garrett, alongside co-directors Domee Shi and Madeline Sharafian, about finding the heart and humanity in sci-fi stories.

Get up to 76% off NordVPN and claim a free $50 Amazon Voucher ahead of Prime Day — watch season three of Star Trek: Strange New Worlds from anywhere.

Firefly Aerospace plans to launch a new "lunar imaging service" called Ocula, which will collect detailed imagery using a set of moon-orbiting spacecraft.

The prolific flare factory doesn't look like stopping anytime soon.

A stunning new image of the Sculptor Galaxy, located 11 million light-years away, painted in thousands of colors by the VLT, reveals the intricacies of galactic systems.

Satellite streaks are a blight on astronomy. How much are observations by the Vera Rubin super telescope going to suffer from this contamination?

A SpaceX Falcon 9 rocket launched 28 Starlink internet satellites into low Earth orbit from Cape Canaveral Space Force Station in Florida on Wednesday, June 18, 2025.

Supermassive black holes that seem too large to exist in the early universe may have grown from primordial black holes formed in the first second after the Big Bang.

The surprise display was captured on June 9 by aurora chaser Harlan Thomas.

You can now watch the award-winning documentary "SALLY" about the first American woman in space, Sally Ride, on Disney+ and Hulu.

China's human spaceflight agency just conducted a crucial pad abort test for its Mengzhou spacecraft as it continues toward its goal of putting boots on the moon before 2030.