Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

Supernovae aren't one of the JWST's main science themes, but the perceptive telescope is full of surprises. Recently, it ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.

NASA’s James Webb Space Telescope has recently made a historic observation, identifying the earliest supernova ever detected.

A red dwarf 130 light-years away has just rewritten the rules of space weather. For the first time, astronomers have captured definitive evidence of a massive coronal mass ejection from a star other ...

The James Webb Space Telescope has found compelling evidence for "monster stars" — gigantic, primordial stars that existed in the early universe.

In 1919, British astronomers Arthur Eddington and Frank Dyson organised an expedition to Príncipe, a forested fleck of land ...

For centuries, Europeans thought that eternal daylight saturated the cosmos. The shift to a dark universe has had a profound ...

If you feel a thrill every time we discover something new about the cosmos, then November 25th may have been a noteworthy day ...

Avi Loeb links the strange behaviour of interstellar object 3I/ATLAS with the rise and fall of the sterile neutrino debate in ...

Current physics is speeding toward a breaking point, as astronomers confirm that the Hubble tension in new data.

Dürer's 1515 star charts were a game-changer for European courts, proving an obsession with astrology is nothing new ...