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Where's the Blaze Star? Why the overdue 'new star' T Coronae Borealis has yet to light up the night sky
By Sharmila Kuthunur published
Astronomers explain why the highly-anticipated "guest star" has not appeared in the night sky yet.
World's 2nd fastest supercomputer runs largest-ever simulation of the universe
By Keith Cooper published
A new frontier has been reached in simulations of the universe, with the powerful exascale supercomputer called "Frontier" performing the most detailed simulation yet of the cosmos.
Declassified spy satellite images reveal 1,400-year-old battle site in Iraq that set off the Muslim conquest
By Sierra Bouchér published
Historical texts that mentioned details about the battle site helped researchers match the images to the lost town of al-Qadisiyyah.
Mysterious, record-breaking energy burst connected to dead star and red dwarf
By Robert Lea published
Astronomers have tracked a mysterious, record-breaking blast of energy to a binary star system containing a red dwarf star and a white dwarf — solving a two-decade-long puzzle.
Dead stars within supernova explosions could solve the dark matter mystery in 10 seconds
By Robert Lea published
If astronomers could catch bursts of gamma rays from supernova explosions that create neutron stars near the Milky Way, the mystery of dark matter could be wrapped up in 10 seconds.
This spot will be key to the inevitable collapse of a key Atlantic current
By Sascha Pare published
New modeling research reveals that the Atlantic Meridional Overturning Circulation (AMOC) is particularly vulnerable to shifts in the Irminger sea off Greenland from increasing Arctic meltwater.
'Cataclysmic' solar storm hit Earth around 2687 years ago, ancient tree rings reveal
By Daisy Dobrijevic published
If this colossal solar storm hit our technologically advanced world the effects would have been devastating.
Watch a mesmerizing simulation of the sun’s behavior from NASA (video)
By Julian Dossett published
The sun's complex behavior still holds many mysteries.
'Impossible' black holes discovered by the James Webb Space Telescope may finally have an explanation
By Paul Sutter published
Peculiar James Webb Space Telescope observations seem to show gargantuan black holes in the earliest moments of the universe. New research may explain how they formed, thanks to primordial "seeds".
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