What we know of the birth of a black hole has traditionally aligned with our perception of black holes themselves: dark, mysterious, and eerily quiet, despite their mass and influence. Stellar-mass ...

A record-breaking neutrino detection in 2023 may mark the first time humans witnessed a primordial black hole exploding, and these ancient objects could be the dark matter holding galaxies together.

India, Jan. 26 -- Astronomers are puzzled by a cosmic puzzle that takes place in the Andromeda Galaxy because a gigantic yellow supergiant star has suddenly disappeared without any warning. The star ...

Centuries before anyone pointed a telescope at the sky, Isaac Newton figured out how gravity works. He showed that any object with mass pulls on every other object—a result that explained falling ...