Astronomers have observed a supermassive black hole far from the center of a galaxy where it ought to be giving off bright ...

I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some ...

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...

Betelgeuse, the brilliant red star marking Orion's shoulder, has long been suspected of harboring a secret. I have to confess ...

A pair of Sydney Ph.D. students helped sharpen the view of humanity's most powerful space observatory—without leaving Earth.

Researchers have identified a massive red supergiant on the brink of supernova in images from the James Webb Space Telescope, ...

A new collage from the James Webb Space Telescope reveals eight dazzling examples of gravitational lensing.

The James Webb Space Telescope has uncovered a massive red supergiant star just before it exploded, finally solving a cosmic ...

NASA's Hubble Space Telescope and Chandra X-ray Observatory joined forces to find an elusive intermediate mass black holes in ...

Even astronomers who study peculiar outer space objects have their favorites. Here are some interstellar bodies that have won ...

NASA’s Hubble Space Telescope captured a surprising asteroid trail while observing a distant spiral galaxy 102 million ...

It was put on Webb to diagnose and measure any blur in its images. Even nanometres of distortion in Webb’s 18 hexagonal ...