They show up as a mathematical solution in general relativity, basically as a time-reversed version of a black hole. Some ...

Using the James Webb Space Telescope, astronomers have investigated 70 dusty galaxies at the very edge of the universe that challenge our understanding of cosmic evolution.

A team of researchers using the James Webb Space Telescope has produced the most detailed map of dark matter to date.

New research has unveiled images of the universe in its infancy—a mere 388,000 after the Big Bang. The snaps of the universe were produced by the Atacama Cosmology Telescope collaboration (ACT), which ...

A physicist proposes that the universe is not empty space, but is a viscous fluid, fueling the expansion and contraction we see.

The Hubble and Chandra space telescopes are hunting for rogue black holes wandering through dwarf galaxies, which could ...

Two ways of measuring how fast the universe is expanding disagree, a puzzle known as the Hubble tension. Tiny magnetic fields ...

How space telescopes capture distant galaxies using infrared imaging, precision optics, and astronomy technology beyond Earth's atmosphere.

The universe — everything in existence — is expanding every second! It's only been about a hundred years that humanity has known this, too — that most galaxies are traveling away from us and the ...

The Big Bang: The moment when the universe — everything in existence — began. ... Right? Turns out, it's not quite that simple. Today, when scientists talk about the Big Bang, they mean a period of ...

Researchers have confirmed three objects spotted with the James Webb Space Telescope in the early universe are galaxies brimming with unexpectedly old stars. Credit: NASA-GSFC / Adriana M. Gutierrez ...

Here’s the story we like to tell about the beginning of the universe. Space is expanding evenly everywhere, but if you rewind that expansion you find that all of space was once compacted in an ...