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

Space and time seem like two completely different ideas, but Einstein showed they are interlinked in what is known as ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...

Astronomers have directly spotted a rare young planet, WISPIT 2b, still forming within the gap of a dusty ringed disk around a star like our sun—something long theorized but never observed until now.