If it is a galaxy, it would be the oldest known galaxy in the cosmos, but it could also be a brown dwarf or an early black hole.

The James Webb Space Telescope has looked back into deep time to find “rubies” or “little red dots” stretched across the ...

A team of astronomers has discovered the largest and most distant water reservoir ever detected in the universe, surrounding ...

Astronomers say 3I/Atlas will be visible in parts of the US sky for a short time, giving viewers a unique look at a comet from beyond our solar system.

"No low-frequency radio image of the entire Southern Galactic Plane has been published before, making this an exciting ...

Astronomer Avi Loeb outlines nine "anomalies" that he says support his hypothesis that interstellar object 3I/ATLAS is an ...

Explore the intricate functioning of the Hubble Space Telescope through engaging 3D animation. #howitworks #3d #3danimation ...

This is only the third interstellar comet scientists have observed. Its extreme brightening, unusual composition, and intense ...

Harvard astrophysicist Avi Loeb, in a recent conversation regarding the interstellar object 3I/ATLAS, stirred global debate.

When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a ...

It's a plot device beloved by science fiction: our entire universe might be a simulation running on some advanced ...