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...
On July 4, 2020, NASA’s Transiting Exoplanet Survey Satellite (TESS) completed its primary mission and is continuing its search for new extrasolar worlds.
An...
Astronomers using NASA’s HERSCHEL (Helium Resonance Scattering in the Corona and Heliosphere) sounding rocket have obtained global images of the helium...
Astronomers have for the first time used X-ray imaging to examine a calcium-rich supernova. Their findings, published in the Astrophysical Journal, show...
Astronomers using NSF’s Very Long Baseline Array, a continentwide system of 10 radio telescope antennas located between Hawaii and Puerto Rico, have...
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a giant set of spiral arms around the young variable star RU...
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have found new evidence that a very young neutron star is hiding deep inside...