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30 Nov 17
An object possibly containing two supermassive black holes about 2.6 billion light years away.
31 Oct 17
A system of merging galaxy clusters located about 5 billion light years from Earth.
16 Oct 17
A gravitational wave source located in the NGC 4993 galaxy about 130 million light years from Earth.
18 Sep 17
An orbiting red giant and white dwarf star system located about 25,000 light years from Earth.
26 Jun 17
Arp 299: A system of merging galaxies located about 140 million light years from Earth.
31 May 17
A population of growing black holes over 13 billion light years from Earth.
11 May 17
A candidate recoiling black hole located in an elliptical galaxy about 3.9 billion light years away.
02 May 17
Scientists have found a vast wave of hot gas in the Perseus galaxy cluster spanning some 200,000 light years.
28 Apr 17
Astronomers used Chandra observations of 13 galaxy clusters to study the properties of dark matter.
28 Apr 17
Astronomers used Chandra observations of 13 galaxy clusters to study the properties of dark matter.
28 Apr 17
Astronomers used Chandra observations of 13 galaxy clusters to study the properties of dark matter.
28 Apr 17
Astronomers used Chandra observations of 13 galaxy clusters to study the properties of dark matter.
19 Apr 17
Centaurus Cluster: A cluster of galaxies located about 145 million light years from Earth.
30 Mar 17
(CDF-S XT1)
A source located in the Chandra Deep Field-South (CDF-S) that displays extraordinary properties.
13 Mar 17
A binary system in 47 Tucanae, a globular cluster located about 14,800 light years from Earth.
24 Feb 17
A supernova in the Large Magellanic Cloud about 160,000 light years from Earth.
06 Feb 17
An X-ray source located in a small galaxy about 1.8 billion light years from Earth.
05 Jan 17
The deepest X-ray image, containing objects at a distance of nearly 13 billion light years.