A surprising new study reveals that the first stars appeared in a pre-heated universe, challenging earlier ideas about early cosmic conditions.

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 ...

This stunning image reveals a distant galaxy cluster teeming with energy: galaxies shine in visible light (white), ghostly red clouds unveil a newly discovered radio mini-halo—the most distant ever ...

Not all stars are created equally. Astronomers believe that the first stars to form after the Big Bang were mostly made of ...

Most cosmologists believe that these stars were the first large, free-floating structures to illuminate our universe, and ...

Members of the Case Western Reserve University community are invited to hear from Kelsey Johnson, professor of astronomy and director of the Echols Scholars Program at the University of Virginia, at ...

The James Webb Space Telescope found a surprisingly large galaxy, nicknamed "The Big Wheel," in the early universe. This galaxy formed much faster than current theories predict, challenging our ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

The early universe was already warm before reionization, revealing that the first stars did not flicker on in an icy cosmos.

German astronomer Johannes Kepler (1571-1630) once hypothesized that the universe began on April 27, 4977 B.C., according to History.com. The Big Bang theory did not develop until the 20th century, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist's impression of the U.K.-led CosmoCube spacecraft, which is designed to orbit the moon ...