Even as the James Webb Space Telescope is allowing astronomers to see inside vast, distant galaxies, it's also studying some tiny, nearby objects, albeit inadvertently.
Comet C/2022 E3 (ZTF) is tantalizing to spot through a telescope, but what would it look like up close?
Scientists are working hard to try to salvage a pair of spacecraft that lost their launch — and the solution might include the most notorious asteroid out there, Apophis.
Every spacecraft glitches occasionally, and even the most powerful space telescope ever launched isn't immune.
After years of conflict, a Hawaiian mountain that's home to some of the most important astronomical observatories on Earth finds itself at peace.
NASA's latest flagship telescope is still in its first year of science, but the agency isn't only hard at work building its successor — it's starting to plan that next mission's successor as well.
NASA's leading planet-hunting spacecraft has spotted its second planet that matches Earth's size and may be able to retain liquid water — and both worlds orbit the same star.
Planetary scientists attending the first major conference since NASA's Double Asteroid Redirection Test (DART) permanently moved a space rock offered early findings about the asteroid and the impact.
The newest, most powerful space telescope out there is back to work after a glitch blocked several days' worth of science observations.
With the world's largest solar telescope now conducting formal observations, scientists are eager to watch the sun's increasing activity and better understand the threats of space weather.
The massive tail created by the collision of a spacecraft and an asteroid earlier this year is unlocking key information about space rocks and how to respond if an asteroid ever threatens Earth.
Two planets found by NASA's retired Kepler Space Telescope may be made mostly of water, according to new research.
Someday, you may be able to see fresh data from the James Webb Space Telescope as soon as the scientists who proposed gathering it do.
Two major NASA missions that have launched in the past year are revealing a communications weakness in space.
NASA's bold mission to explore Jupiter's icy moon is facing tight schedules getting instruments installed and ready for the planned 2024 launch.
Satellites are watching closely as the world's largest volcano erupts for the first time in decades.
Astronomers are watching with Hawaii residents as the largest volcano on Earth erupts for the first time in decades.
After taking a few hits, NASA's newest space telescope will adjust its observation strategy to avoid its mirror being struck by tiny space rocks.