A radical new theory regarding the origin of the universe suggests that gravitational waves, tiny ripples in spacetime first ...

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

A thin shell of air wraps around Earth, stretching about 20 miles above the surface. This invisible veil is packed with tiny molecules that sustain life. Just beyond this fragile layer lies the ...

The JWST has studied the chemical composition of a moon-forming disk circling a giant planet 625 light-years away.

I recall as a child lying on the grass at night, gazing up at the stars, and wondering if any of those distant suns had planets orbiting nearby. I was not the first to do so, of course. The question ...

Pfalzner's models show that interstellar objects — bodies ejected from other star systems — could be captured by these planet ...

New research using Nasa’s powerful JWST telescope has identified a planet 41 light years away which may have an atmosphere.

A strange cosmic object nicknamed “The Accident” has given scientists their first glimpse of a rare silicon-based molecule ...

Astronomers using the mighty James Webb Space Telescope have captured direct images of four planets in a star system 130 light years from Earth — an astonishingly eagle-eyed feat of cosmic photography ...

This illustration shows an exoplanet orbiting around two brown dwarfs –– objects bigger than gas-giant planets but too small to be proper stars. ESO/M. Kornmesser Astronomers have discovered a ...