Deep beneath the ocean’s surface, scientists have made a groundbreaking discovery: a ‘Lost City’ that challenges our ...

The long-awaited Vera C. Rubin Observatory, a cutting-edge new telescope perched atop a mountain in Chile, released its first images of the universe on June 23—and its views are just as jaw ...

The Chandra X-ray Observatory marked its 25th anniversary with a release of never-before-seen images. But budget cuts may cause the observatory’s days to be numbered.

The Chandra X-ray Observatory marked its 25th anniversary with a release of never-before-seen images. But budget cuts may cause the observatory’s days to be numbered.

Images of six candidate massive galaxies, seen 500-800 million years after the Big Bang. One of the sources (bottom left) could contain as many stars as our present-day Milky Way, but is 30 times ...

Dark matter in Abell 2390 This image of the Abell 2390 galaxy cluster shows more than 50,000 galaxies, which astronomers are using to reveal clues about dark matter through gravitational lensing.

New research by the Atacama Cosmology Telescope (ACT) collaboration has produced the clearest images yet of the universe’s infancy — the earliest cosmic time yet accessible to humans. The researchers ...

If our 13.8 billion-year-old cosmos could be considered middle-aged, researchers note these new images captured around its 380,000th birthday represent a snapshot of the universe as a newborn.

The long-awaited Vera C. Rubin Observatory, a cutting-edge new telescope perched atop a mountain in Chile, released its first images of the universe on June 23—and its views are just as jaw ...