WOH G64 has always been an oddball. It sits in the Large Magellanic Cloud, a small galaxy that orbits the Milky Way, and it ranks among the most extreme red supergiants known.

Astronomers on Mauna Kea found the first space object on which NASA’s Roman Space Telescope can test its imaging technology. A new “massive planet ” also was found, the W.M. Keck Observatory said in a ...

In a few billion years, our aging Sun will run out of hydrogen fuel in its core and begin to swell, eventually engulfing Mercury, Venus, and probably Earth itself. Known as the red giant phase, this ...

This artist's impression shows Barnard b, a sub-Earth-mass planet that was discovered orbiting Barnard's star. Its signal was detected with the ESPRESSO instrument on ESO's Very Large Telescope (VLT), ...

This discovery is anything but Tutan-khamun. Archeologists in Egypt have discovered “the first and largest astronomical observatory,” nearly half a mile long, dating to the 6th century BC. A sundial ...

NASA’s Chandra Observatory captured a young Sun-like star blowing a giant X-ray bubble, revealing for the first time how ...

A new image from NASA’s Stratospheric Observatory for Infrared Astronomy (SOFIA) provides the highest resolution mid-infrared image taken to date of the massive star formation region in our galaxy ...

Today, UCLA astronomers using the W. M. Keck Observatory reported the discovery of a remarkable star that orbits the enormous black hole at the center of our Milky Way galaxy in a blistering ...