Hubble data reveal a 500-million-year decline in Andromeda's star formation, with the steepest drop coming in just the last ...

Astrophotography tends to blur the boundary between science and art. The incredible images from Hubble and JWST, for example, ...

Katalyst Space's LINK spacecraft is recovering from an unexpected spin in orbit, and will need a little more time to rescue ...

Every night, astronomers must carefully assess changing weather, the intensity of moonlight and shifting atmospheric conditions before deciding where to point a telescope. It's a constant balancing ...

The rocket's upper stage will unintentionally slam into the moon on Wednesday, carving out a crater and sending up a plume of dust and rubble that scientists — and skygazers — are eager to observe.

Scientists traced a mysterious surge of low-energy gamma rays from zinc-70 to magnetic changes occurring inside its nucleus.

Now there’s scientific evidence for the spread: An analysis of Chilean mummies provides the strongest genetic link yet to the ...

Astronomers caught helium escaping the habitable-zone world LHS 1140 b — a signal that strengthens the case for the planet's ...

In 1989, the Voyager 2 mission discovered six new moons orbiting Neptune, including five tiny ones that orbit just outside ...

"We're going to find one-in-a-million things over and over and over again," a NASA scientist recently predicted.

A commercial spacecraft launched on an unprecedented mission to rescue an aging NASA observatory now needs a rescue of its ...

Scientists have reacted with alarm to news that the British government will cut funding to the world-famous radio telescope ...