For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

This towering structure in the Eagle Nebula is a 9.5 light-year-high column of gas and dust from a stellar nursery. This image shows N90, where bright young stars carve a cavity, with distant galaxies ...

The name 'blue lurker' might sound like a villainous character from a superhero movie. But it is a rare class of star that NASA's Hubble Space Telescope explored by looking deeply into the open star ...

The two astronauts have a busy day ahead of them. Hague and Williams will "patch light leaks in the NICER X-ray telescope, ...

Proposed budget reductions for the Hubble Space Telescope would impact research and outreach as well as increase the risk to the observatory.

This NASA/ESA Hubble Space Telescope image reveals a tiny patch of sky in the constellation Hydra. The stars and galaxies ...

"We have by and large been ignoring triples in models and simulations — we're just starting to understand how these types of ...

A huge "nightmare world" where it "rains glass" and winds blow at a speed of up to 5,400mph has been found just 64.5 ...

Using the aging Hubble Space Telescope, Achenbach spotted an unusual spiral galaxy quasar with a visible jet. This calls into ...

The night sky has always played a crucial role in navigation, from early ocean crossings to modern GPS. Besides stars, the ...

The Hubble Space Telescope recently captured a snapshot of a rare supernova that sits in the Gemini constellation, about 650 ...

NASA's Roman Space Telescope is preparing for launch in 2027, with a mission to study distant galaxies and explore dark ...