The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and ...

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

If we could go back 101 years, we would encounter a time when scientists still thought the Milky Way was the entirety of our ...

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 ...

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

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

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

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

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

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

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...