A supernova is one of the most powerful and awe-inspiring events in the universe. It marks the violent death of a star, and ...

Rich with detail, the spiral galaxy NGC 1309 shines in this NASA/ESA Hubble Space Telescope image. NGC 1309 is about 100 ...

In a spectacular image captured by the Hubble Space Telescope, the spiral galaxy NGC 1309 glows with cosmic elegance and ...

Astronomers believe there are two main types of GRBs, neither of which are long-lived. A short-period GRB’s initial phase ...

Astronomers have re-examined the biggest explosion ever seen, possibly the most massive explosion since the Big Bang, to ...

This breathtaking Hubble image of spiral galaxy NGC 1309 reveals more than swirling stars and glowing dust—it holds a cosmic ...

A seemingly ordinary white dwarf star, located just 130 light-years away, has revealed an extraordinary secret: it is the ...

A pair of white dwarfs, located just 150 light-years from Earth, appears doomed to die in a type 1a supernova that will shine brighter than anything currently visible in the night sky. But ...

The smoking gun of the creation of lithium in explosions on white dwarf stars may have been found, in a spike of gamma rays originating from a nova.

The events, dubbed “extreme nuclear transients,” are not only more rare than a supernova star explosion, but are more powerful than 100 supernovae combined, the team claimed.

Hubble has helped uncover a white dwarf that’s likely the result of two stars crashing together. Carbon traces in its atmosphere tell a story of a cosmic merger, a rare phenomenon previously invisible ...

A typical white dwarf’s core elements are obscured by thick layers of hydrogen and helium—but that covering almost entirely ...