A razor-thin cosmic filament is one of the largest rotating structures ever found, with implications for early galaxy ...

NASA's Hubble telescope has re-photographed the interstellar object 3I/ATLAS, located 286 million km from Earth. The agency ...

In a breakthrough that could rewrite astronomy textbooks, Indian researchers have discovered a massive, perfectly structured ...

The James Webb Space Telescope has discovered Alaknanda, a remarkably mature spiral galaxy existing just 1.5 billion years ...

“All the Fermi Paradox tells you is that civilizations are rare. It doesn’t tell you why they’re rare,” says Ian Crawford, a ...

The Atacama Cosmology Telescope (ACT) has confirmed the complex disparity in measurements of the Hubble constant, deepening the cosmic puzzle known as 'Hubble tension'.

Astronomers have identified a remarkable population of distant quasars whose radio jets balloon to scales that make our own ...

More than 2,000 years ago, Greek artisans built a compact machine of interlocking gears that could track the heavens with a ...

Before Einstein, before Bohr, there was a Jesuit priest with a telescope and a startlingly modern vision of the universe.