A multi-wavelength composite image from several orbiting and ground-based telescopes captures an ongoing cosmic collision between at least four galaxy...
Astronomers have spotted a new type of extremely energetic cosmic explosion they think originates from a very massive star or the environment of a supermassive...
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a pair of astoundingly bright and spectacularly massive galaxies...
The NASA/ESA Hubble Space Telescope has taken a picture of a dwarf galaxy called NGC 4625.
This image of the dwarf galaxy NGC 4625 is a composite of separate...
The NASA/ESA Hubble Space Telescope has observed an extremely rare cosmic phenomenon, called a ‘light echo,’ in Messier 82, a star-forming galaxy located...
An international team of astronomers led by Las Cumbres Observatory has found a remarkable object in a nearby galaxy: a star that exploded multiple times...
Astronomers have spotted the second most distant dusty, starburst galaxy ever found in the Universe. The find is reported this week in the journal Nature...
Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have found eight molecular clouds in the heart of NGC 253, an active starburst...
Using data from the Near-infrared Integral Field Spectrograph (NIFS) on the Gemini North telescope in Hawai’i, astronomers have identified what they...
NASA has released a stunning image snapped by the Hubble Space Telescope of the galaxy cluster Abell 1300.
This image, taken with ACS and WFC3 cameras...
Conditions favorable for mergers of massive black holes exist in the outer gas disks of massive spiral galaxies, according to a study led by Rochester...
A new image from the NASA/ESA Hubble Space Telescope shows Abell 665, one of the richest galaxy clusters known.
This Hubble image shows the gigantic galaxy...
Galaxy clusters are among the most massive structures in the Universe. Every galaxy cluster contains a galaxy that is brighter than the other members,...
One of the largest and most detailed images of the Fornax Cluster ever created has been released by the European Southern Observatory (ESO).
Countless...
A new image taken with the NASA/ESA Hubble Space Telescope shows WHL J24.3324-8.477, a massive galaxy cluster some 7.1 billion light-years away in the...
For the first time, astronomers have observed the source of gravitational waves, created by the merger of two neutron stars. The cataclysmic aftermaths...
A jaw-dropping new image from the NASA/ESA Hubble Space Telescope captures what appears to be a strange galaxy with two ‘tails,’ but is actually the...
In a nearby dwarf galaxy called the Small Magellanic Cloud, astronomers have discovered possibly the most luminous nova ever.
SMCN 2016-10a was discovered...
This NASA/ESA Hubble Space Telescope image shows a galaxy known as LEDA 17302. It is a galaxy type known as a blue compact dwarf galaxy.
This image, taken...
Five new pairs of merging supermassive black holes have been discovered by combining data from NASA’s Chandra X-ray Observatory, the Wide-Field Infrared...
