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Astronomers are closer than ever to confirming the discovery of the first starless or "failed" galaxy, packed with dark matter and gas but with virtually no stars.
NASA's Nancy Grace Roman Space Telescope is scheduled to lift off atop a SpaceX Falcon Heavy rocket early Sunday morning (Aug. 30). Here's how to watch it live.
On Aug. 28, 1993, NASA's Galileo spacecraft flew by the asteroid Ida on its way to Jupiter. Here's why it mattered.
NASA's Curiosity Mars rover captured a gorgeous new panorama to celebrate climbing a total of 1 kilometer (0.6 miles) throughout its now 14-year exploration of the Red Planet.
The Artemis II astronauts, who flew around the moon this past April, will receive the United States' highest space honor today (Aug. 28), and you can watch it live.
See the best photos of the August 2026 partial lunar eclipse
Using the James Webb Space Telescope, astronomers have studied 72 young sun-like stars to discover that forming planets is a real race against time.
NASA astronaut Jonny Kim is leaving the space agency to continue his military career. Kim, who's also a medical doctor, completed one spaceflight during his NASA career.
