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

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

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

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

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

The Hubble Space Telescope reveals how color filters tease out the life cycles of stars in spiral galaxy NGC 6000 — while a ...

The Hubble Space Telescope has been used to study NGC 1052-DF2 — a galaxy that is lacking dark matter. Credit: NASA's Goddard ...

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

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

Researchers have found a suspected clump of dark matter lurking within the luminous halo of a well-known "Einstein ring." The ...

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