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...
Using NSF’s Very Long Baseline Array, an international team of astronomers has made the direct geometric measurement of the distance to XTE J1810-197,...
Using NASA’s Transiting Exoplanet Survey Satellite (TESS) and several ground-based telescopes, astronomers have discovered a Jupiter-sized planet orbiting...
HL Tauri, a young star located 450 light-years away in the constellation of Taurus, is glowing at the center of an system of concentric protoplanetary...
A puffy gas giant slightly larger than Jupiter has been discovered orbiting the early M-type dwarf star TOI-1899, thanks to new data from NASA’s Transiting...
Using NASA’s Transiting Exoplanet Survey Satellite (TESS) and the HARPS fiber-fed Echelle spectrograph mounted at the 3.6-m telescope of ESO’s La Silla...
Extrasolar planets hosted by stars with sufficiently high carbon-to-oxygen ratios could be made of diamonds and silica, according to new research by Arizona...
The NASA/ESA Hubble Space Telescope has captured the brilliance of a globular cluster called NGC 1805.
This Hubble image NGC 1805, a globular cluster located...
The Nebra sky disk, one of the oldest concrete depictions of cosmic phenomena, was created in the first millennium BCE, roughly 1,000 years later than...
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) and the SPHERE (Spectro-Polarimetric High-contrast Exoplanet Research) instrument...
In a new study to be published in the Monthly Notices of the Royal Astronomical Society, a research team led by University of Manchester astronomers extended...
A team of astronomers from Germany, the United Kingdom, the United States, France and Japan may have solved the so-called ‘Galactic bar paradox,’ whereby...
A series of ‘black dwarf’ supernovae will be the last astrophysical events to occur in our Universe prior to the so-called heat death, when the Universe...
In a paper published in the Astrophysical Journal Letters, Harvard University astrophysicists Avi Loeb and Amir Siraj show that an equal-mass stellar companion...
Multiple supernova explosions about 65 light-years away may have contributed to the ozone depletion and several subsequent extinction events at the Devonian-Carboniferous...
The red supergiant Betelgeuse is one of the brightest stars in the night sky and appears even more luminous because it is so close to Earth, only 650 light-years...