Venus is notably brighter — magnitude –4.1, far outshining magnitude 0.9 Aldebaran, the brightest star in the Taurus and ...

A study using the NASA’s Chandra X-ray Observatory and other X-ray telescopes has revealed that "an exploded star can pose ...

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

The ancient Greeks and Romans blamed hot summer days on the rising of Sirius, the Dog Star, which is part of the ...

SpaceX’s efforts to dim its Starlink satellites will likely be effective, at least for one major observatory. But the ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

Here's everything to know about the James Webb Space Telescope, and what it captured on its three-year anniversary observing the cosmos. To mark Webb's third year of operations, NASA shared an image ...

ENTs occur when stars that are at least three times as massive as the Sun pass so close to a supermassive black hole that its ...

Only a few dozen of these short-lived binaries exist in the galaxy at a time, making the serendipitous find extremely ...

An astronomical observatory is the star of the show at this amenity-filled, 60-acre estate in Santa Cruz, California. The ...

Waves, Winds and Stars" show at the Ohio State University Arne Slettebak Planetarium is an interactive new show exploring the ...