Are there particles that can move faster than light? Harvard astronomer Avi Loeb explores this question and the mysterious ...

One Vanderbilt University researcher thinks time travel might not just be for the movies. (Credit: Wikimedia Commons). Time ...

"Finding more supermassive black holes that are potentially hosting jets raises the question as to how these black holes grew ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.

Black hole quantum effects are usually thought to be too small to have any observable signatures. This is indeed the case for ...

An artist's conception of a black hole's corona, which are the pale swirls above and below the black hole. Credit: NASA / Aurore Simonnet (Sonoma State Univ.) A strange black hole is making ...

Strange vibrations emanating from a supermassive black hole appear to be growing more frequent and they could be caused by a white dwarf star orbiting perilously close to its event horizon.

A supermassive black hole surrounded by gas and dust as seen in infrared light (top left), visible light (top right), and low- and high-energy X-rays (bottom left, right). Image: NASA/JPL-Caltech ...