In some places, it's actually rising.
NASA's Hubble Space Telescope launched in 1990 and has taken some of the most stunning photographs of the universe around us.
Related Topics: Stars and Galaxies
The launch of NASA's Psyche mission has been delayed by a week to Oct. 12, so the team can deal with a recently detected thruster issue.
NASA is forming a response team after an independent review board examined the agency’s ongoing plans and objectives for its upcoming mission to retrieve samples from Mars.
As commercial space flights increase, experts urge clear ethical guidelines on research involving passengers in the absence of existing ethical frameworks.
NASA space shuttle astronaut Jan Davis first read her father's letters about being a WWII prisoner of war in 2020. The collection inspired her to write a new memoir, called "Air Born."
Over two decades of data from NASA’s Chandra X-ray Observatory helped scientists craft a stunning new video of a historic stellar eruption.
As NASA saw its first asteroid sample return to Earth, three museums took particular notice, knowing they had been chosen to display small examples of the space rock material.
Scientists removed the outer lid of OSIRIS-REx's sample canister on Tuesday (Sept. 26). But a full reveal of the mission's asteroid sample is still two weeks away.
The first American to spend a year in space and first Russians to do the same on the International Space Station have landed. Frank Rubio, Sergey Prokopyev and Dmitri Petelin returned on Soyuz MS-23.
The Artemis 2 moon rocket's core stage now has all four of its RS-25 engines mounted in place. It's a big milestone for the mission as it sails toward a launch in late 2024.
NASA astronaut Frank Rubio and his two Russian crewmates are scheduled to return to Earth Wednesday morning (Sept. 27) after a year in space, and you can watch it live.
NASA's Frank Rubio and his one-year crew are ready to come home at last, after their return was delayed by six months. The Soyuz astronauts handed over their work on the ISS on Sept. 26.
NASA's Artemis program will include consideration of 'ethical and societal matters' as the agency aims for the first human moon landings in 50 years, a new report pledges.
Loren Grush, author of new book 'The Six,' spoke with Space.com about Sally Ride, Judith Resnik and other pioneering NASA women astronauts.
The asteroid sample collected by NASA's OSIRIS-REx spacecraft landed in Houston today (Sept. 25), a day after arriving on Earth from very deep space.
Team members of NASA's VERITAS Venus mission tested key technologies and techniques in volcanic regions in Iceland recently.
NASA's OSIRIS-REx asteroid sample-return mission will return pieces of asteroid Bennu to Earth on Sept. 24, 2023. Follow the historic landing live here.
The first asteroid samples ever collected by NASA are closing in on Earth for a historic landing in Utah today (Sept. 24).