Scientists may have solved the mystery of an "impossible" merger between two black holes so massive and fast-spinning that ...
Giant stars die a violent death. After a life of several million years, they collapse into themselves and then explode in what is known as a supernova. How these stars explode remains a mystery.
In the constellation of Cygnus, some 7,800 light-years from Earth, lurks a real space oddity. There, a black hole in a system named V404 Cygni repeatedly engages in behavior that has simultaneously ...
In 2023, astronomers detected a huge collision. Two unprecedentedly massive black holes had crashed an estimated 7 billion ...
In the colossal Pinwheel galaxy, 25 million light-years away, a star has just exploded and is even visible through small telescopes. The supernova-hunting astronomer Koichi Itagaki discovered the ...
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Our Universe May Be Slowing Down: New Study Challenges Dark Energy Theory
For decades, scientists have believed that the Universe is expanding at an ever-accelerating pace due to a mysterious force ...
Korean scientists studying Type Ia supernovae have found strong evidence that the universe's expansion is not accelerating, ...
The James Webb Space Telescope has helped demystify the strange 2009 observation of a giant star about 25 times more massive than the sun that appeared to disappear from existence. In 2009, ...
This infrared image from the James Webb Space Telescope, released by NASA on Aug. 31, 2023, shows internal details of the evolving supernova 1987a that have never been observed in the visible spectrum ...
An international team of researchers led by scientists from the Facility for Rare Isotope Beams uncovered evidence that astrophysics models of massive stars and supernovae are inconsistent with ...
An international team led by ICREA researcher Mark Gieles, from the Institute of Cosmos Sciences of the University of ...
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