From ancient myths to modern science, the idea that we may not be alone has fueled curiosity, fear and hope in equal measure.

Webb traced the light of a dying star, supernova GRB 250314A, from when the universe was only 730 million years old.

The Hubble Space Telescope and the Jupiter Icy Moons Explorer have captured fresh images of an interstellar comet as the ...

Comet 3I/ATLAS, a 33-billion-ton object that's older than our solar system, will make its closest approach to Earth on Friday. Scientists are ...

The mysterious interstellar comet 3I/ATLAS is making its closest approach to Earth on Friday, offering scientists a rare ...

The interstellar comet 3I/ATLAS will make its closest approach to Earth this week on Dec. 19, 2025. Here's the latest news ...

Traditionally, X-ray methods require at least 10,000 atoms to generate a detectable signal. This is because the X-ray signal ...

On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

What will be the next blockbuster research to emerge from Princeton’s labs? No one can say for sure, but history tells us ...

The Virtual Telescope Project will host a free livestream starting at 11 p.m. EST on Dec. 18 (0400 GMT on Dec. 19), sharing ...

Scientists are scratching their heads over a recent James Webb Space Telescope (JWST) discovery that looks more like a piece ...