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 ...

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

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

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

Messier 42 better known as the Orion Nebula, with the unaided eye from a dark sky site. This stellar relic, first spied by William Herschel in 1787, is nicknamed the Eskimo Nebula (NGC 2392) because, ...

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

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

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

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 ...

New research confirms the Universe is expanding faster than theoretical models predict, intensifying the Hubble tension.

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 ...