The most luminous kilonova candidate to date (short gamma-ray burst 200522A) was detected using the Hubble Space Telescope, ...

A NASA simulation shows the magnetic fields of colliding neutron stars meeting and entwining. Credit: NASA's Goddard Space ...

For nearly a decade, scientists have been trying to understand a set of strange blue flashes coming from deep space. These ...

Powerful bright blue cosmic explosions called Luminous Fast Blue Optical Transients could be caused when a black hole or ...

High-energy cosmic rays, 10 million times more powerful than particles accelerated in Earth's strongest atom smasher, may ...

Mysterious Luminous Fast Blue Optical Transients may originate from black holes colliding with massive stars, creating ...

Teams of astronomers from several institutions have discovered a strange cosmic firework in deep space that brightened the region not just once but twice.

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LSU researchers helped uncover what may be the first clear detection of gamma rays from a superluminous supernova, using data ...

There may be an ultraheavy explanation for the mystery surrounding the origins of the highest-energy particles ever observed. Ultrahigh-energy cosmic rays are particles from space that strike Earth ...

Artist’s impression of an ultra-high energy cosmic ray reaching Earth. New research suggests that some of the highest-energy cosmic rays may consist of atomic nuclei heavier than iron. The background ...

Now, they have a theory as to what might be causing the flash ...