Astronomers using with the Australian National University 1.3-m SkyMapper telescope have detected an extended dark matter halo around Tucana II, an ultrafaint...
Using data from the NASA/ESA Hubble Space Telescope, NASA’s Spitzer Space Telescope, and Magellan II Telescope at Las Campanas Observator in Chile, astronomers...
Astronomers have used a huge group of galaxies called the Phoenix cluster as a cosmic magnifying glass to detect X-ray emission from a very distant dwarf...
Astronomers using the Magellan telescopes at Las Campanas Observatory, Chile, have detected the faint signal emitted by hydrogen gas in the remnant of...
Hypervelocity stars are solitary stars moving fast enough to escape the gravitational grasp of the Milky Way Galaxy. Discovered in 2014, LAMOST-HVS1 is...
Astronomers led by Dr Stefan Keller of the Australian National University say they have discovered the oldest star ever seen in the Universe.
This image,...