The story of the three wise men, or Magi, following the ‘Star of Bethlehem’ that takes them to the newborn Jesus is well known. However, a mystery has surrounded this celestial object for centuries, ...

Data from the James Webb Space Telescope has identified the universe's most ancient supernova to date. This milestone not only redefines astronomical records but clarifies how the universe's first ...

Astronomers from several nations found fourteen hydrogen-rich galaxies placed along a narrow stretch over 5.5 million ...

A comet streaking across a star field above the International Gemini Observatory near La Serena, Chile. NoirLab via AP file + ↺ − 16px A mysterious interstellar comet, 3I/ATLAS, has been traveling ...

Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in ...

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

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

Life on Earth may have begun with a gift from a comet. Its existence was once threatened by an asteroid. Its future may ...

NASA’s James Webb Telescope may have detected the universe’s first stars, Pop III stars, in galaxy LAP1-B, offering a glimpse into cosmic history.

Most scientists agree the prolonged flash likely occurred when a black hole ate a star, but two other ideas can't be ruled out yet. One involves a medium-size black hole, thousands of times heavier ...

A seven-hour gamma-ray burst, GRB 250702B, stuns astronomers and hints at powerful new cosmic engines still unknown to science.

NASA’s Webb Telescope detects the earliest known supernova, GRB 250314A, 730 million years after the Big Bang, capturing its host galaxy and providing unprecedented early-universe observations.