An astrophotographer has captured an extremely rare and "difficult" photo of a solar flare exploding from the sun at the ...

Astronomers uncover the first direct evidence for how some white dwarf stars explode, confirming the long-debated ...

The Big Bang model begins with a point of infinite density where the laws of physics break down. This is a deep theoretical problem that suggests the beginning of the Universe is not fully understood, ...

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

New observations support the idea that hot, diffuse threads of gas called cosmic filaments connect clusters of galaxies ...

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Seen as a long strand with smaller threads branching, the Quipu superstructure contains 68 galaxy clusters spanning 1.4 ...

Under the right conditions, this collapse doesn’t end in a singularity — instead, it bounces and begins expanding again,” said University of Portsmouth professor Enrique Gaztañaga in a statement that ...

The earliest light in the universe has been traveling across space since just after the Big Bang. Known as the cosmic ...

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A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have instead ...