We rank the best Xbox 360 games of all time. From Halo 3 and Gears of War to Skyrim, Mass Effect 2, and Call of Duty 4, these ...

Consciousness could be a fundamental part of reality, like gravity or matter, according to this controversial theory.

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...

A supermassive black hole is reawakening inside a distant galaxy cluster—and after almost 100 million years of slumber, ...

Puzzling red spots in photos from the James Webb Space Telescope are probably young supermassive black holes obscured by ...

Since launching in 2021, the James Webb Space Telescope has found hundreds of distant and apparently bright galaxies dubbed ...

New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of ...

One of the most vivid portraits of "reborn" black hole activity—likened to the eruption of a "cosmic volcano" spreading ...

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

You’ve looked up at the night sky. Maybe you’ve wondered how much you don’t know. Turns out, the scale of our ignorance about ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...