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Space Perspective completed the first uncrewed test flight of its Spaceship Neptune Excelsior balloon ride to the edge of Earth's atmosphere, and expects crewed flights to begin next year.

Images captured by spacecraft tracker appear to show China's mysterious space plane sporting a delta-wing design.

Data from NASA's Artemis 1 moon mission has provided valuable space radiation measurements, which validate spacecraft performance and will help guide deep-space human spaceflight.

NASA astronaut Suni Williams did not expect to be taking command of the International Space Station when her eight-day Starliner Crew Flight Test launched in June. Now, the key to the station is hers.

Astronomers have discovered a "missing link:" a tiny black hole lurking with a red giant star in a strange and difficult-to-explain binary system.

SpaceX has retrieved from the sea the first-stage booster that flew on its latest Starship test flight, which launched this past June.

China launched separate sets of Earth-observation and "Internet of Things" satellites into orbit on Friday (Sept. 20) on two different missions.

Scientists have found nuclear weapons could actually help deflect an incoming cosmic impact — not by blowing an asteroid up, but by showering it with X-ray radiation.

NASA's Perseverance Mars rover will soon arrive at its first stop during its arduous trek to the western edge of Jezero Crater.

The astronauts and Crew Dragon capsule that will fly SpaceX's Crew-9 mission to the ISS have made it to Florida's Space Coast for their planned Sept. 26 liftoff.

Astrophotographer Miguel Claro captured an incredibly detailed timelapse of solar activity, revealing a roiling sun sprouting several massive loops of plasma.

A preview of Marvel Comics' "Alien: Romulus #1," a prequel that will be released in October.

The sunspot AR3835 erupted on Sunday (Sept. 22) during Earth's equinox when even a glancing blow can cause a geomagnetic storm.

Life remains busy for the astronauts aboard China's Tiangong space station, with a range of drills, maintenance and experiments to carry out.

The Hubble tension, a longstanding problem in cosmology, could potentially be relieved if early dark energy is taken into account.

The largest Einstein Cross dwells among a rare arrangement of seven gravitationally lensed galaxies called the Carousel Lens located between 7 billion and 12 billion light-years from Earth.

Three crewmates have landed Earth after a record-long stay on the International Space Station (ISS) for two of them. For one, the 374 days has amounted to only a third of his total time in space.

Astronomers have cataloged over 500 gamma-ray bursts, which are some of the most violent explosions in the cosmos.

New observations from the MeerKAT radio survey suggest our estimates of the cosmic dipole effect are actually in line with the large scale structure of the universe.

Find out what's going on at the International Space Station.