A cosmic "bone" at the heart of the Milky Way appears to be fractured. Looking at the break, astronomers found a radio source.

NASA astronauts Anne McClain and Nichole Ayers completed a nearly six-hour all-female spacewalk, moving an antenna and assembling hardware for new solar arrays. They hit most goals, with some tasks ...

A new space telescope is mapping the sky in 102 colors — and it may just rewrite our understanding of the universe.

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

The careening star blasted through the galactic filament, known as "the Snake," at a zippy 1–2 million miles per hour.

Saturn climbs higher at dawn but still tussles with twilight. At mid-month, it’s about a fist to the right (west) of Venus.

Alexandria Echo Press reporter Lisa Johnson and Astro Bob talk about the Milky Way, galaxies in Virgo, and Bob's latest award ...

Hello, Eos! Recently discovered molecular cloud is believed to be one of the largest structures in the sky and among the closest to Earth and the sun.

See the SpaceX Dragon spacecraft and the Milky Way galaxy in this time-lapse view from the International Space Station.

NASA officials say the ISS has entered its most dangerous phase. Cracks have persisted for years, with air leaks occasionally ...

This rare stellar remnant is known as a magnetar. It's a type of neutron star, which is formed when a large star dies and ...

Stranded astronauts and celebrity space tourism have piqued interest in space — and a photography exhibition in the museum is ...