There might not be a mysterious 'dark' force accelerating the expansion of the Universe after all.

New calculations put the date much closer than we should be comfortable with

The Pulsed Plasma Rocket could significantly shorten a round-trip to Mars, reduce risks to astronauts' health, and be ready to launch in 20 years.

Faster-than-light warp drives are theoretically possible to build, and if aliens are using them, we should be able to detect the gravitational waves produced when one goes wrong

While it won't make a useful spaceship engine, it may tell us more about relativity.

A phenomenon called a "glory" may be happening on a hellishly hot giant planet.

NASA has selected a new crew of four volunteers to participate in a simulated mission to Mars within a habitat at the agency’s Johnson Space Center in Houston.

The magnetic fields that spiral around our galaxy's supermassive black hole Sagittarius A* have now been revealed by twisted light.

NASA put out an open call on Friday for volunteers to participate in its yearlong Crew Health and Performance Exploration Analog (CHAPEA 2) mission. The space agency will select four people for a crew that will be housed in its 1,700-square-foot 3D-printed habitat in Houston.

Using data from the retired Stratospheric Observatory for Infrared Astronomy (SOFIA)—a joint project of NASA and the German Space Agency at DLR—Southwest Research Institute scientists have discovered, for the first time, water molecules on the surface of an asteroid.

In February 2024, Intuitive Machines’ IM-1 mission will launch to the Moon’s South Polar region, as part of NASA’s Commercial Lunar Payload Services, or CLPS,

JAXA needs to get its H3 rocket flying successfully early next year

It will be a year filled with exploration, innovation, wonder—and no shortage of risk.

NASA is still evaluating Hubble servicing studies from SpaceX and other companies.

Cosmonauts face third coolant leak in less than a year, but the crew and the station are not in any danger

The Air Force and the FAA denied permission for Varda Space's capsule to return and land on Earth.

The Apollo 17 lunar lander module left behind by US astronauts on the moon’s surface could be causing moonquakes, or small tremors, a new study revealed.

"I'm not sure who thought it was a good idea to put up CubeSats with Artemis I."

India’s moon rover has confirmed the presence of sulfur and detected several other elements on the surface near the lunar south pole a week after the country’s historic moon landing.

If a large asteroid impacted the Moon, would it cause problems for us here on Earth?