Each spring, amateur astronomers attempt the ultimate stargazing challenge—an overnight quest to spot every galaxy, nebula, ...

Planet 9 project have identified an object traveling at an incredible 1 million miles per hour, fast enough to escape the ...

A team of astronomers have conducted a study that has lifted the veil on a nearly 100 year mystery that explains an odd dark ...

Add Yahoo as a preferred source to see more of our stories on Google. The moon and Venus will shine vividly alongside a bright star in the early morning in a striking celestial rendezvous that should ...

This image provided by NASA shows X-rays from NASA’s Chandra X-ray Observatory (represented in blue) that have been combined with infrared data from NASA’s retired Spitzer Space Telescope (cyan, light ...

Venus and Saturn are due up for a visually striking event known as a planetary conjunction. Here's everything to know about ...

Astronomers have discovered a strange new object in our Milky Way galaxy. An international team reported Wednesday that this celestial object - perhaps a star, pair of stars or something else entirely ...

CAPE CANAVERAL, Fla. — Astronomers have discovered a strange new object in our Milky Way galaxy. An international team reported Wednesday that this celestial object — perhaps a star, pair of stars or ...

Differences in SEDs, spectroscopic features, and spatial morphologies among various types of celestial objects. From top to bottom, the examples shown correspond to a galaxy, a quasar, and a star. The ...