While scientists discovered the Cosmic Vine using the James Webb Space Telescope, they have yet to find a string of galaxies ...

For the last few decades, researchers have been studying what the universe looked like in its first seconds. It is generally ...

Explore the 25 Most Massive Objects in the Universe, from supermassive black holes to galaxy walls. Uncover the cosmic giants shaping our cosmos. Discover ...

Discover the 25 Fastest Recorded Phenomena in the Universe, from light speed to black hole jets. Explore cosmic speed limits ...

A new study has found that a hidden bias in galaxy models can skew gravitational-wave measurements of how fast the universe is expanding. That finding complicates one of astronomy’s most promising ...

Cosmic voids may seem like the emptiest places in the universe, stripped of matter, radiation, and even dark matter. But they’re far from nothing. Even in these vast empty regions, the fundamental ...

Between May 2023 and January 2024, a global network of gravitational-wave detectors picked up 128 new cosmic signals, more than doubling the entire catalog built across the previous decade. The ...

Two new studies have measured the expansion of the universe in our immediate cosmic neighborhood using a novel method that ...

Scientists studying a mysterious effect called cosmic birefringence—a subtle twist in the polarization of the universe’s ...

A novel theory suggests that the current expansion rate of the universe is not fixed, but was in fact quite different in the ...

Observations show the universe appears flat, yet its true size and global shape beyond the observable horizon may remain ...

A doctoral candidate from the University of Washington may have heard a cosmic explosion that explains how the Moon came into ...