One year ago, on Christmas Day, the James Webb Space Telescope was launched. Since it began collecting data, it has captured - in stunning detail - previously unobservable stars, planets and galaxies.

InSight's end has long been in sight, with NASA warning that it would likely be inoperative by the end of the year. The lander went quiet this weekend and shared a tweet it said might be its last.

Even guardians of America's atomic clocks say time doesn't work the way we think it does.

A planned spacewalk by two Russian cosmonauts has been called off after ground teams noticed a significant leak from one of the spacecraft docked at the orbiting International Space Station.

The Geminids meteor shower, one of the best and most reliable of the year, will peak on Tuesday night.

The successful splashdown of the spacecraft with no humans aboard keeps NASA's Artemis mission on track to put the first woman and first person of color on the lunar surface by 2025.

A Tokyo company aimed for the moon with its own private lander Sunday, blasting off atop a SpaceX rocket with the United Arab Emirates' first lunar rover and a toylike robot from Japan.

December 7, 1972 was the launch of the final mission in NASA's Apollo moon program. Fifty years later, NASA finally seems poised to return people to the lunar surface.

Scientists studying a gas giant planet have found that it's partly cloudy and that its atmosphere gets altered by starlight from its host star.

The close approach of 81 miles occurred as the crew capsule and its three wired-up dummies were on the far side of the moon. Astronauts will take Orion for a ride around the moon as early as 2024.

The nanosatellites will observe the health of the land to help people make the best use of their countries' natural resources. A growing number of African countries are venturing into space.

NASA says an extensive review of historical records found no evidence that Webb ever led or supported purges of government employees who were gay. But some astronomers think that's a pretty low bar.

The launch is a milestone in India's effort to foster a private space industry. The rocket, made by Hyderabad-based Skyroot, was aloft for about five minutes and reached peak altitude of 55 miles.

More than three years after his tweet, the U.S. government has formally declassified the image from one of its most powerful spy satellites.

Galaxies that existed soon after the Big Bang turn out to be surprisingly bright, a discovery that's both thrilled and puzzled scientists who study how the universe evolved over time.