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

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

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

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

"The question 'Are we alone?' is one of the most significant questions, not just in the history of science, but in the ...

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

The Phantom Galaxy (M74) has been imaged in infrared and optical light using the James Webb Space Telescope and Hubble Space ...

The Hubble Space Telescope has captured imagery of the most distant single star found yet. It took the light from the star 12 ...

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 ...

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 ...

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

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