For six months in 1181, a dying star left a mark in the night sky. The striking object appeared as bright as Saturn in the vicinity of the constellation Cassiopeia, and historical chronicles from ...

A sparkling new supernova has appeared in the night sky, and a telescope atop Mauna Kea in Hawaii was perfectly poised to capture the aftermath of the cosmic burst. The supernova was first spotted ...

Look out for more than fireworks this summer. A massive star in the arm of the Pinwheel Galaxy (M101) has exploded — aka gone supernova — and its fiery death throes, Astronomy reports, are expected to ...

During the last few days, astronomers have been pointing their telescopes toward a familiar celestial object in our spring night sky for a look at a rare event: A new supernova — a star that has ...

Astronomers directly imaged a faint companion star orbiting Betelgeuse, solving a decades-old mystery about its strange ...

While pottering around the universe, the Hubble Space Telescope recently clicked a photo of a dying star. The image sent back to Earth looks like a giant lidless eye peering back at the telescope, as ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For six months in ...

(CNN) — A sparkling new supernova has appeared in the night sky, and a telescope atop Mauna Kea in Hawaii was perfectly poised to capture the aftermath of the cosmic burst. The supernova was first ...