09 November 2004, 07:00 AM ET
Just eight days away from launch, NASA’s Swift spacecraft is being readied for a mission to scan the sky for gamma-ray bursts, cosmic explosions that can burn with the intensity of billions of suns in less than a second. Researchers hope the mission will
04 November 2004, 02:00 PM ET
Two Italian researchers pored through a series of black hole observations taken over about five years to separate its X-ray emissions into those belched by powerful polar jets and those originating from a disk of material swirling around the object’s maw.
20 October 2004, 01:00 PM ET
Earth's spin warps space around the planet, according to a new study that confirms a key prediction of Einstein's general theory of relativity.
05 October 2004, 06:30 AM ET
Astronomers may have detected hot gas rapidly spinning into a supermassive black hole at the center of a distant galaxy. These first of their kind observations help pinpoint the mass of the hungry maw that is constantly devouring material.
17 August 2004, 06:58 AM ET
To unravel the mystery of black hole jets, one researcher invokes some imaginary string, a corkscrew and a certain child's plaything -- the Slinky.
28 May 2004, 06:00 AM ET
European researchers have found 30 previously hidden supermassive black holes anchoring faraway galaxies, suggest there at least twice as many of the colossal gravity wells as thought.
20 June 2002, 08:00 PM ET
Astronomers reveal how black holes bend the 'space-time' around them.