NASA's Lucy spacecraft serendipitously found a small moonlet orbiting the mission's asteroid target Dinkinesh. Scientists named it Selam, and have now learned that Selam is a cosmic toddler.
NASA's PREFIRE mission will deploy a pair of satellites from twin launches aboard Rocket Lab's Electron rockets that will contribute to climate change studies in the Arctic and Antarctica.
WASP-12b is a planet on a date with a fiery destiny, doomed to plunge into its sun-like star. Scientists may finally know why some hot Jupiters eventually death spiral into their stars.
Sixty-one years after it stood ready to send NASA's last one-man mission into orbit, the Mercury-Atlas 9 rocket is standing again. A replica is on display at the National Museum of the US Air Force.
A SpaceX Falcon 9 rocket is set to launch two Maxar Earth-observation satellites today (May 2). It will be the record-tying 20th mission for this rocket's first stage.
Explore the top 16 places to witness the breathtaking annular 'ring of fire' solar eclipse on Oct. 2, 2024. Plan an unforgettable eclipse experience with these expert recommendations.
Boeing Starliner will launch its 1st mission to the ISS with NASA astronauts on May 6. Here are the milestones to watch for, from launch to docking to landing.
Two experienced NASA astronauts will take Boeing Starliner on its first human excursion on May 6. Butch Wilmore and Suni Williams bring test pilot and spaceflight experience to bear.
As the sun reaches solar maximum, Mars spacecraft are preparing to study the effects of increased radiation bombardment and how solar storms may impact future crewed missions to the Red Planet.
During the winters of 2016 and 2017, a hole the size of Switzerland opened in the middle of Antarctica's sea ice. And scientists just figured out how it came to be.
An erupting star system in Orion has finally provided an answer to the mystery of how stars fed for over 100 years, something that has puzzled astronomers for almost as long.
Explore the impact of a near X-class solar flare, registering M9.5, as it disrupts radio signals across the Pacific. The eruption was sunspot AR3654's most powerful yet.
Samples of asteroid Ryugu, collected by the Hayabusa2 spacecraft, have revealed the impact solar winds and tiny space rocks have had on the asteroid itself.
Boeing's Starliner will make its first crewed launch as soon as May 6, about four years after SpaceX's. Having two private astronaut taxis will provide redundancy for ISS operations and more.
Boeing's Starliner capsule is scheduled to launch astronauts for the first time ever on May 6. Here's how to watch that historic liftoff, as well as key events before and after it.
A video outlining China's moon base plans depicts a wide number of concepts, including surface sample return operations, a lander and rover, and supporting orbital satellites.
Gamma-ray bursts are the universe's most powerful explosions, generating more energy in seconds than the sun will in billions of years — and scientists are slowly learning more about these eruptions.