The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

Our sun is a lonely star. At least half the stars in our galaxy have binary companions. This was nicely illustrated in the ...

The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: The Universe is expanding faster than predicted by ...

Discover the fascinating story of the 'blue lurker,' a mysterious star in the M67 star cluster studied by NASA's Hubble ...

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

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

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

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

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

Hubble uncovers the blue lurker star, offering rare insights into triple-star system evolution and stellar mergers ...

James Woods has lost his Pacific Palisades home in the Southern California fires that continue to devastate parts of Los ...