Measuring distances across the universe is much more challenging than measuring distances on Earth. Is a brighter star closer ...

Suni Williams steps outside the International Space Station for the first time since arriving in June on Boeing’s Starliner.

A rare breed of star recently discovered by the Hubble Space Telescope spins faster by feeding on its stellar siblings.

Capturing images of individual stars in distant galaxies has generally been considered impossible for decades. But NASA’s ...

Located about 1,300 light-years from Earth, these young stars, also known as protostars, reside in a hotbed for star ...

SpaceX launched its Starship rocket on a test flight Thursday, but the spacecraft was destroyed after losing engine ...

One of NASA's two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since ...