A neutrino sensor array, ARCA, lines the Mediterranean seafloor near Sicily. A physicist took ARCA’s first huge win to a warm ...

New computer simulations suggest the first magnetic fields that emerged after the Big Bang were much weaker than expected — ...

Astronomers are using radio pulses from space to find missing baryonic matter and learn about supermassive black holes, ...

Research team includes astrophysicists, computer scientists, artists, and philosophers from UC Riverside, USC, and Carnegie ...

The universe exists because matter and antimatter are not good friends. Is there a scientific reason why the universe exists?

The black hole, named RACS J0320-35, is about a billion times heavier than the Sun. It lies 12.8 billion light years from ...

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized ...

Astronomers once thought the universe's first stars (made of hydrogen and helium) were nearly all giants, hundreds to ...

A backward, mirror universe could explain the existence of dark matter. If an anti-universe exists, it would run backward in time, before the Big Bang. Dark matter, then, could be right-handed ...

“There’s a lot of meanings for ‘small,’” says Janet Conrad, a particle physicist at the Massachusetts Institute of Technology ...

Astronomers use many methods to determine this number, including gravitational lensing, the universe’s expansion rate, and ...