Is time something that flows — or just an illusion? Exploring space-time as either a fixed “block universe” or a dynamic fabric reveals deeper mysteries about existence, change, and the very nature of ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole ...

Ten years ago, science confirmed one of Albert Einstein’s most elusive predictions: the existence of gravitational waves. Now ...

EVE Frontier' developers Helgi Freyr Rúnarsson and Guðlaugur Jóhannesson talk galaxy merger models, black holes, and the thin ...

"We were amazed by the fact that these observatories can detect about 100 black holes just 250 million years after the Big ...

Astronomers at Penn State have nicknamed the objects “universe breakers,” which may be unusual black hole atmospheres and could represent a missing link in the fast growth of supermassive black holes.

Since that day, LIGO — composed of two highly sensitive laser interferometers located in Hanford, Washington and Livingston, ...

Gravitational waves shake the very fabric of the universe when black holes collide. Today we measure these events and use them to understand the ...

Fragments of energy may be the fundamental building blocks of the universe. The theory combines the ideas of particles and waves into a concentration of energy that flows throughout space and time.

Long before galaxies sparkled in the sky or stars took shape, invisible forces stirred in the early Universe. One of those ...

The James Webb Space Telescope has found a lonely black hole in the early universe that’s as heavy as 50 million suns. A ...

Physicists have long believed that black holes explode at the end of their lives, and that such explosions happen—at ...