Astronomers have detected lithium in the atmospheres of four cool and old white dwarfs, of which one also displayed atmospheric potassium. The relative...
NASA has released a photo taken by the NASA/ESA Hubble Space Telescope of a small region on the edge of the dark nebula Caldwell 99.
This Hubble image...
Using a newly developed system for mid-infrared exoplanet imaging, astronomers from the Breakthrough Watch Initiative say they can now use ground-based...
Sagittarius A East (Sgr A East), a supernova remnant located strikingly close to the central supermassive black hole of our Milky Way Galaxy, resulted...
Magnetic interactions between the newfound planet, designated Gliese 1151b, and its host star are the likely source of low-frequency radio emission recently...
Astronomers using the MUSE (Multi Unit Spectroscopic Explorer) on ESO’s Very Large Telescope (VLT) have captured a remarkable image of the spiral galaxy...
Using data from NASA’s Fermi Space Telescope and the enormous computing power of the citizen science project Einstein@Home, astronomers have found that...
KIC 8462852, a mysteriously dimming star located about 1,480 light-years away in the constellation of Cygnus, is, in fact, a binary stellar system, made...
Astronomers using with the Australian National University 1.3-m SkyMapper telescope have detected an extended dark matter halo around Tucana II, an ultrafaint...
Astronomers using ESA’s CHaracterising ExOPlanet Satellite (CHEOPS) have discovered a fifth planet around the bright, Sun-like star HD 108236.
An artist’s...
The TOI-178 planetary system, a 7.1-billion-year-old system of six planets in the super-Earth to mini-Neptune range, five of which are locked in a rare...
TIC 168789840 is the first known sextuple (six-star) system consisting of three eclipsing binaries.
Structure of TIC 168789840, a sextuple system of three...
NASA has released a spectacular photo taken by the NASA/ESA Hubble Space Telescope of the planetary nebula ESO 455-10.
This Hubble image shows ESO 455-10,...
First theorized in the 1970s, axions are hypothetical particles that were proposed to preserve a time-reversal symmetry of the nuclear force. These particles...
Shortly after NASA’s Kepler mission began operations back in 2009, it identified what was thought to be a planet about the size of Neptune. Called KOI-5Ab,...
A massive star exploded in the Small Magellanic Cloud between 2,000 and 1,000 years ago and left behind an expanding, gaseous remnant called 1E 0102.2-7219....
An active galactic nucleus in the center of ESO 253-G003, an active galaxy over 570 million light-years away in the southern constellation of Pictor, erupts...
Astronomers using NASA’s Chandra X-ray Observatory have studied Swift J1818.0-1607, a new magnetar (a type of neutron star with an extremely powerful...
NGTS-14Ab, an alien world slightly larger than Neptune orbiting around an orange dwarf in the binary system NGTS-14, joins a growing number of exoplanets...
