Depending on how you look at it, the universe might not have an "end," after all. Whether the universe will "end" at all is ...

Discover James Webb discoveries revealing the JWST early universe, cosmic dawn insights, and groundbreaking new space ...

Black holes bend space and time in extreme ways — enough that some scientists think entire universes can form inside them. If ...

American space agency NASA readies the Nancy Grace Roman Space Telescope for integration, launch could come as soon as next ...

"We really needed the sensitivity of JWST. We also needed the 100 times magnification from gravitational lensing from a ...

For more than a century, physicists have suspected that the familiar three dimensions of space might be only a small slice of ...

The universe is expanding. That much is clearer. But it’s less clear whether this expansion is accelerating or slowing down.

The geometry of space, the setting in which physical laws operate, may hold clues to some of the biggest unanswered questions in fundamental physics. The underlying structure of spacetime itself could ...

Scientists working with the James Webb Space Telescope discovered three unusual astronomical objects in early 2025, which may ...

Encouraged by successes in understanding black holes, theoretical physicists are applying what they’ve learned to whole ...