A black hole in the Cygnus X-1 binary system is so massive that it challenges current stellar evolution models.
An artist’s impression of the Cygnus...
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...
TIC 168789840 is the first known sextuple (six-star) system consisting of three eclipsing binaries.
Structure of TIC 168789840, a sextuple system of three...
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 LOw Frequency Array (LOFAR), a large radio telescope network located mainly in the Netherlands, have detected circularly polarized...
Astronomers are still searching for a hypothetical Planet Nine in the distant reaches of the Solar System, but an 11-Jupiter-mass planet called HD 106906b...
In 2004, astronomers using NASA’s Galaxy Evolution Explorer discovered an unusual, ring-shaped ‘blue’ nebula and the star at its center, TYC 2597-735-1....
Astronomers using NASA’s Chandra X-ray Observatory have detected an extragalactic candidate planet circling a binary system in Messier 51 (also known...
A trans-Neptunian object designated 2014 WC510 is, in fact, a close binary system, according to an analysis of data obtained by the Research and Education...
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have detected sodium chloride, silicon compounds, and water vapor in the circumstellar...
An analysis of archival X-ray data from NASA’s Rossi X-Ray Timing Explorer has revealed a clear separation between the characteristics of stellar-mass...
Astronomers have discovered two planets orbiting a bright dwarf star in the binary stellar system Gliese 414.
An artist’s impression of the Gliese 414...
In a paper published in the Astrophysical Journal Letters, Harvard University astrophysicists Avi Loeb and Amir Siraj show that an equal-mass stellar companion...
A white dwarf star called SDSS J124043.01+671034.68 (SDSS J1240+6710) is traveling at 900,000 km/h (559,234 mph) through our Milky Way Galaxy. It also...
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) and NSF’s Karl G. Jansky Very Large Array (VLA) have created the most detailed...
The gravitational-wave signal GW190814, detected on August 14, 2019 by NSF’s Laser Interferometer Gravitational-Wave Observatory (LIGO) and the Virgo...
Astronomers using ISRO’s AstroSat space observatory have detected a very rare ultraluminous X-ray source in the Magellanic Bridge, a 43,000-light-year-long...
