SpaceX astronaut launch scrubbed due to technical issue

Two astronauts – whose one-week trip to the space station turned into a nine-month-long politically charged saga – will be spending at least one more day in space.

Elon Musk responds after former space station commander calls him a “liar"

A high-flying war of words is underway after SpaceX CEO Elon Musk claimed two NASA astronauts had been stranded in space for political reasons.

Odds of Asteroid 2024 YR4 hitting Earth go up again

Updates on Asteroid 2024 YR4 have been slower during the full Moon, but experts say the precision of the object’s orbit is getting better. In March, NASA’s James Webb Space Telescope will focus on the potential threat to Earth providing the best estimate of its size.

NASA astronauts Suni Williams, Butch Wilmore get new homecoming date from space

NASA astronauts, Suni Williams and Butch Wilmore, who launched aboard the troubled Starliner capsule to the International Space Station months ago, have a new homecoming date – if there are no more delays.

Webb Space Telescope shines light on another fascinating secret of our universe

Webb's fiery image is an edge-on protoplanetary disc, known as HH 30, around a newly formed star that is hidden by the dark disc in the middle. Astronomers are looking to this cosmic object to study how stellar dust behaves.

NASA astronauts still stranded in space take first spacewalk together

NASA astronauts Suni Williams and Butch Wilmore completed a spacewalk Thursday while awaiting their delayed return to Earth. Williams set a new spacewalking record for female astronauts during the mission.

NASA pitches cheaper, faster plan to bring Mars samples to Earth

NASA has unveiled two revamped plans to bring Mars samples to Earth in the 2030s, reducing costs by nearly half from its initial $11 billion proposal while expediting the timeline.

Astronauts’ Thanksgiving message: "We’re grateful for our nation"

The astronauts aboard the space station showed off their out-of-this-world Thanksgiving feast, but they also had a very down-to-earth message of thanks on this holiday.

More northern lights could come as sun hits solar maximum, NASA says

The northern lights may put on a dazzling display over the next couple of years as the sun enters its solar maximum, a period of heightened activity that occurs about every 11 years.

See the most terrifying displays in our galaxy from NASA

The "Galaxy of Horrors" is an array of vintage-style horror movie-themed posters to show us what nightmares exist in space.

NASA narrows selection of Moon landing sites for Artemis astronauts

The U.S. space agency is focusing on nine areas near the lunar South Pole. This region is important for its diverse geological characteristics and may contain water that can be mined for resources.

Microbial life may exist in Martian frozen water pools, study finds

Although evidence of life on Mars hasn’t yet been discovered during any of NASA's robotic missions, scientists believe it could be a different story in small pools of water under the surface.

A record number of human beings are now in orbit

For the first time, there are 19 human beings orbiting the planet. They represent three different countries and are aboard three different spacecraft.

NASA 'Hidden Figures' women to receive Congressional Gold Medals

Katherine Johnson, Dr. Christine Darden, Dorothy Vaughan, and Mary Jackson are receiving awards for their contributions to NASA’s space program.

Here's when NASA's Starliner astronauts will finally come home – and how

NASA says it's not safe enough to let Butch Wilmore and Suni Williams fly the new Starliner spacecraft back to Earth, so they'll come home aboard a SpaceX Dragon capsule next year. Meanwhile, Boeing will suffer the ignominy of being bailed out by a rival.

China planning asteroid re-direct mission for planetary defense test

After surveying the asteroid, China's spacecraft will then act as the "impactor" or a battering ram, flying into the asteroid. NASA's DART mission in 2022 was successful in altering the orbit of a binary asteroid using the same method.

Webb Space Telescope reveals pair of glowing intertwined galaxies

Photos of the two galaxies nicknamed Penguin and the Egg were released to celebrate the second science anniversary of NASA’s James Webb Space Telescope.