The new images, to be presented at an upcoming meeting of the American Physical Society, date back to when the universe was ...

Last year, an enormous map of the cosmos hinted that the engine driving cosmic expansion might be sputtering. Now physicists ...

Imagine standing on the red Martian surface, looking up at the sky that feels alien but strangely familiar, with no ...

The 3D cosmic map building DESI has provided more clues that dark energy is weakening over time, suggesting our best model of ...

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

If Andrea Ghez had listened to her critics, one of the galaxy’s greatest mysteries might yet remain unsolved. The UCLA astronomer won the 2020 Nobel Prize in physics for proving the existence of a ...

At least two mass extinction events in Earth's history were likely caused by the 'devastating' effects of nearby supernova explosions, a new study suggests. Researchers say these super-powerful blasts ...

Now, JWST may have revealed evidence that our entire universe exists inside the event horizon of a black hole inside a larger ...

Learn how ALMA gives astrophysics a front row seat to dynamic forces that shape the galaxy, called space tornadoes.

New research suggests the violent explosions of dying stars may have caused two of Earth’s biggest mass extinctions millions ...

University of Arizona researchers are among a group of scientists who hope to discover what happened immediately after the Big Bang, when the universe expanded in a fraction of a ...

Quantum gravity is the missing link between general relativity and quantum mechanics, the yet-to-be-discovered key to a ...