Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But that may soon change ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

Astronomers are now leveraging artificial intelligence to sift through vast amounts of exoplanet data, a task impossible for ...

Astronomers studying a faint red dwarf star called LHS 1903 have found a four-planet system arranged in a sequence that no standard model of planet formation predicted. The system follows a ...

NASA's DART mission didn’t just change the orbit of Dimorphos, the asteroid it hit. It changed the orbit of the larger Didymos around the sun.

NASA will likely delay the launch of the Artemis II mission around the moon again after the discovery of a helium flow problem overnight Friday. The space agency said Saturday that the rocket and ...

NASA on Thursday released the results of its investigation into Boeing’s bungled 2024 flight to the International Space Station, which stranded two astronauts there for months. The findings were ...

NASA Administrator Jared Isaacman is criticizing former agency leadership for the mishandled Boeing Starliner mission. A new NASA report cites technical failures and unprofessional behavior during the ...

NASA fueled up its giant lunar rocket and completed a launch-day walkthrough on Thursday ahead of its highly anticipated mission to send four astronauts around the moon. The hourslong test, known as a ...

The botched test flight of Boeing’s Starliner spacecraft — a protracted saga that kept two astronauts in space months longer than expected — was a debacle in league with US space shuttle disasters ...

Grounded until at least April, NASA's giant moon rocket is headed back to the hangar this week for more repairs before astronauts climb aboard. The space agency said Sunday it's targeting Tuesday for ...