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 ...

That could soon change, thanks to a new NASA flagship telescope being designed to seek out strange new worlds that could ...

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

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 ...

That Rich was presenting the story of Edwin Hubble at the January 2025 AAS meeting was symbolic, for it was at the 33rd ...

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

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

A newly released Hubble pic shows the galaxy LEDA 22057, where the supernova explosion occurred. The spiral galaxy's swirling ...

This NASA Hubble Space Telescope image shows the planet Jupiter in a color composite of ultraviolet wavelengths. Released on ...

New measurements show that the expansion rate of the universe is faster than can be explained by our current understanding of ...

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