Astronomers discover green star 280 light-years away; what makes it glow green
A representation of the green star (Courtesy Mark A. Garlick/University of Warwick) Astronomers have discovered a star that…
Astronomers combined 16.7 years of gamma-ray data with 4.9 years of FAST radio observations to confirm a 3.2-millisecond pulsar has two companions, including a Sun-like star on a 73.5-year orbit
The data confirmed the white-dwarf companion and detected gamma-ray emission associated with the pulsar. More significantly, they uncovered…
Two Dead Stars Are Racing Around Each Other Every 6.2 Minutes
Artistic impression of the double white dwarf binary eRASSU J0608. Credit: Inter-University Centre for Astronomy and Astrophysics A…
Biggest Supernova Dataset Yet Challenges Dark Energy Theory
Type Ia supernovae are powerful stellar explosions that occur when a white dwarf is pushed into a thermonuclear…
Webb Captures Stunning Infrared View of Eskimo Nebula
New infrared observations of the Eskimo Nebula, a bipolar double-shell planetary nebula in the constellation of Gemini, reveal…
Invisible Black Holes Could Be Triggering Supernovae
Primordial black holes may pass through white dwarfs and ignite a subset of Type Ia supernovae. New models…
Astronomers discover four hidden dead stars near Earth
But even the nearby cosmos had its secrets. New research led by astronomers at the University of Warwick…
Astronomers Discover Four New White Dwarfs in Solar Neighborhood
Using near-UV spectroscopic data from the Space Telescope Imaging Spectrograph (STIS) on the NASA/ESA Hubble Space Telescope, astronomers…
Nasa’s James Webb Space Telescope solves the mystery of a planet that survived its Sun’s death |
A white dwarf is usually thought of as the quiet remnant left behind after a star has exhausted…
Astronomers trace a 20-year radio mystery to clashing fields between two stars
Astronomers say they may be close to explaining a space mystery that has lingered for about 20 years:…
Scientists Discover Two Strange Dead Stars That Defy Astronomical Expectations
Two exotic white dwarf merger remnants have been found to share a striking set of unusual properties, including…
How can a young blue giant have a white dwarf companion star that’s billions of years older?
Sirius is a blue giant, which burns through its fuel quickly and lives only a relatively short period…