Stargazers may catch a cosmic light show this Fourth of July weekend when the Milky Way appears in the night sky across the ...

Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for ...

The European Space Agency (ESA) said it is monitoring an unidentified object alongside Russia identified only as A11pl3Z as ...

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...

In "The Time Traveller’s Guide to the Galaxy", mankind's insatiable desire to break loose the shackles of earth and journey ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

The Milky Way's core will be visible this month and through August. Here's what Tennessee stargazers should know.

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...

The galaxy sits in a sweet spot that allows astronomers to study it in ways that can't be applied to even our own Milky Way ...

Astronomers have found a distant galaxy referred to as a cosmic fossil that has stayed virtually unchanged, or frozen in time ...

NASA's New Horizons spacecraft has traveled so far from Earth that the relative position of the stars is beginning to shift — ...