A recently shared image of a distant galaxy surrounded by three concentric rings challenges our understanding of galactic ...

The larger elliptical galaxy is pulling material from a smaller neighboring galaxy, distorting its spiral arms. In turn, the ...

If another gravity theory is correct, "then the broader implications are enormous," astrophysicist Stacy McGaugh told ...

Fall evenings are perfect for astrophotography because the cool weather keeps those pesky mosquitoes away, which gives me ...

Deep-sea researchers have discovered a strange glowing sea slug off the coast of California that lives in the water column — ...