29 August 2013, 02:00 PM ET
The Milky Way's giant black hole turns out to be a messy eater. Of all the gas that falls toward it, 99 percent gets spewed back out into space, new observations show.
28 August 2013, 07:00 AM ET
The third of the seven primary mirrors for the Giant Magellan Telescope was cast Saturday at the University of Arizona's Steward Observatory Mirror Lab. The 20-ton mirror was formed by melting chunks of borosilicate glass in a rotating furnace at 2,140 de
27 August 2013, 04:00 PM ET
The third of the seven primary mirrors for the Giant Magellan Telescope was cast Saturday at the University of Arizona's Steward Observatory Mirror Lab. The 20-ton mirror was formed by melting chunks of borosilicate glass in a rotating furnace.
23 August 2013, 01:00 PM ET
An enormous mirror will be cast inside a scorching-hot furnace Saturday (Aug. 24), marking a key milestone in the development of the Giant Magellan Telescope, which will collect more light than any instrument built to date.
22 August 2013, 01:43 PM ET
At the center of elliptical galaxy M87, a supermassive black hole spews a high-speed jet of hot plasma. This Hubble Space Telescope time-lapse movie captures the movement of the jet over 13 years.
21 August 2013, 04:18 PM ET
Launched in 2008, NASA's Fermi Gamma-ray Space Telescope has given scientists the ability to explore high-energy processes associated with a number of cosmic phenomena: black holes, solar flares, rapidly spinning neutron stars, & super nova remnants.
14 August 2013, 01:00 PM ET
Zoom in on the pulsar PSR J1745-2900 that has helped astronomers discover a powerful magnetic field around the monster black hole Sagittarius A* at the center of our Milky Way Galaxy.
03 August 2013, 02:48 PM ET
See photos and images depicting a powerful kilonova gamma-ray burst as seen by the Hubble Space Telescope in June and July of 2013. Kilonovas are 1,000 times more powerful than average star explosions, called novas.
03 August 2013, 01:01 PM ET
Monstrous collisions involving black holes and ultradense neutron stars may explain the briefest of the most powerful explosions in the universe. The discovery could shed light on the origin of heavy elements such as gold and platinum.
29 July 2013, 07:01 PM ET
A newly discovered way to determine the spin of supermassive black holes could help shed light on the evolution of these bizarre objects and the galaxies they anchor. Astronomers used a European spacecraft to estimate one black hole's rotation rate.
29 July 2013, 09:53 AM ET
This fascinating space wallpaper shows a simulation of a gas cloud passing close to the supermassive black hole at the center of the galaxy in mid-2013.
25 July 2013, 02:00 PM ET
Scientists have uncovered a new key to understanding the strange workings of neutron stars — objects so dense they pack the mass of multiple suns into a space smaller than a city.
24 July 2013, 10:45 AM ET
This rare space wallpaper taken on July 19 by NASA's Cassini spacecraft shows Saturn's rings and our planet Earth and its moon in the same frame.
18 July 2013, 10:14 AM ET
New observations from ESO’s Very Large Telescope show for the first time a gas cloud being ripped apart by the supermassive black hole at the center of the galaxy, as seen in this space wallpaper.
17 July 2013, 10:29 AM ET
Astronomers have spied a huge gas cloud being pulled like taffy around the supermassive black hole at the core of the Milky Way. Their observations suggest the space cloud will be completely ripped apart over the next year.
17 July 2013, 10:28 AM ET
See images of new observations from ESO’s Very Large Telescope showing a gas cloud ripped apart by the supermassive black hole at the center of our galaxy, the Milky Way.
10 July 2013, 07:00 AM ET
Physics cannot describe what happens inside a black hole. There, current theories break down, and general relativity collides with quantum mechanics, creating what's called a singularity, or a point where the equations spit out infinities.
08 July 2013, 06:30 PM ET
An ambitious project aims to image the close environs of a black hole for the first time.
08 July 2013, 09:40 AM ET
A look at these weird, light-gobbling cosmic monsters.
01 July 2013, 07:00 AM ET
After 10 years in orbit, NASA's GALEX mission is now over. The Galaxy Evolution Explorer mission began in 2003 and officially shut down in 2013.
20 June 2013, 06:00 AM ET
New observation's by the European Southern Observatory's Very Large Telescope shows that the black hole in the center of galaxy NGC 3738 not only has a doughnut shape dust cloud around it, but also has dust at its polar regions.
20 June 2013, 06:00 AM ET
Dust around a supermassive black hole has been blown away from where astronomers expected to find it.
17 June 2013, 06:00 AM ET
The origins of a black hole's x-rays lie in its gaseous disk.
14 June 2013, 05:04 PM ET
Huge black holes could explain brightest objects in the universe.
12 June 2013, 07:22 PM ET
Andromeda has more known black holes than any galaxy besides the Milky Way.
06 June 2013, 04:35 PM ET
These pioneers may have served as seeds for the supermassive black holes at the hearts of galaxies today.
30 May 2013, 10:45 AM ET
A stunning composite image of a galaxy 850 million light years away shows a black hole emanating two powerful jets.
29 May 2013, 07:00 AM ET
If time is real, the laws of nature may evolve over time, Smolin says.
25 April 2013, 09:09 AM ET
The heat from newborn stars creates a halo of gas around its parent galaxy. When a distant galaxy's black hole-powered light is absorbed by the gas, the Hubble Space Telescope's Cosmic Origins Spectrograph (COS) can detect it.
09 April 2013, 03:31 PM ET
Astronomers have caught a black hole snacking on what may be a free-flying giant planet.
02 April 2013, 09:26 AM ET
Astronomers have detected a black hole consuming the outer layers of a brown dwarf or a giant planet. Observations of galaxy NGC 4845 by ESA's Integral Space Observatory and XMM-Newton revealed an x-ray flare consistent with black hole activity.
20 March 2013, 10:29 AM ET
Astronomers have spotted a star in our galaxy that races around a black hole at a breakneck speed, orbiting once every 2.4 hours.
19 March 2013, 11:20 AM ET
Europe’s XMM-Newton space telescope has helped to identify a star and a black hole that orbit each other at the dizzying rate of once every 2.4 hours, smashing the previous record by nearly an hour.
15 March 2013, 04:30 PM ET
Schmidt discusses quasars, their impact on astronomy and the anniversary of his seminal find.
13 March 2013, 02:02 PM ET
Astronomers still lack a basic understanding of how these incredibly bright objects work.
06 March 2013, 11:55 AM ET
The Milky Way's central black hole is in for a tasty treat.