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...
Astronomers using the NASA/ESA Hubble Space Telescope have detected and studied numerous young star clusters in six merging galaxy systems.
Adamo et al....
Ultra-impulsive acoustic emission from a solar flare recently detected by NASA’s Solar Dynamics Observatory (SDO) indicated submersion of its source...
Using data from the Large Sky Area Multi-object Fiber Spectroscopic Telescope (LAMOST) and ESA’s star-mapping satellite Gaia, astronomers have discovered...
Astronomers using data from the HATNet (Hungarian-made Automated Telescope Network) survey have discovered a transiting giant planet orbiting the K5-type...
Astronomers using the NASA/ESA Hubble Space Telescope have captured a striking photo of the lenticular galaxy NGC 1947.
This Hubble image shows NGC 1947,...
Astronomers using the LOw Frequency Array (LOFAR), a large radio telescope network located mainly in the Netherlands, have detected circularly polarized...
Using the Subaru Telescope and the Keck II telescope at the W. M. Keck Observatory, astronomers have discovered and directly imaged a brown dwarf orbiting...
Astronomers have detected a bright, long-duration optical flare accompanied by intense radio bursts from Proxima Centauri, the Sun’s nearest stellar...
A small satellite galaxy, named Heracles, collided with our Milky Way Galaxy about 10 billion years ago and its remnants account for about one third of...
Astronomers have confirmed three supernova remnants and discovered 16 new supernova remnant candidates in the Large Magellanic Cloud, a small satellite...