What is dark energy? Why does dark energy seem to be weakening? Is our universe part of a larger multiverse? What lies beyond the boundary of a black hole? The universe seems to be rotating, and if ...

According to a new theory, our universe developed from a “pre-inflationary multiverse” made of particles in quantum superposition.

A new study suggests that "little red dots" spied by the James Webb telescope could be the universe's short-lived first ...

The early universe is perhaps one of the biggest mysteries of our time, and while we've come close to unraveling some of those earliest mysteries thanks to advancing tech like the James Webb Space ...

Black holes that turn matter into energy could explain dark energy and answer two other cosmic questions. Now, the challenge ...

Combining the way that massive galaxies and galaxy clusters bend space and magnify our view of the distant universe with powerful new instruments sensitive to gravitational waves and electromagnetic ...

A new high-resolution map of distant galaxies may help scientists understand a mysterious invisible substance that helps hold the universe together. The ordinary matter all around us — stars, planets ...

The European Space Agency’s “dark universe detective” discovered millions of new galaxies and offers potential clues about dark matter Sara Hashemi - Daily Correspondent A mosaic of galaxies captured ...

Aug. 1 is Women Astronomers Day, highlighting the historical achievements of women in astronomy. The designation honors the birthdate, in 1818, of Maria Mitchell, the first American woman astronomer ...