The universe hosts events so powerful that they dwarf anything humans can imagine. From magnetar flares and neutron star collisions to hypernovae and gamma-ray bursts, some cosmic explosions release ...

Lots of big shows are heading to the 2026 TV schedule, but none have quite the same level of anticipation as HBO Max’s "Big Bang Theory" follow-up "Stuart Saves the Universe," which finally started ...

Retcons can be divisive, but thanks to one 17 years ago, The Big Bang Theory's risky sequel series has the best chance of ...

Instead of focusing on how fast the universe is expanding, they looked at the ages of some of the oldest stars in our galaxy.

The oldest stars in the Milky Way are forcing a fresh look at one of cosmology’s biggest arguments. If some of them are about ...

From 19 to 22 January, 80 particle physicists, astronomers and cosmologists gathered at CERN for the first “All that ...

For decades, astronomers wondered why most nearby galaxies are speeding away from the Milky Way instead of being pulled in by its gravity. New simulations reveal the answer: our galaxy sits in a ...

Most of the (dark) matter beyond the Local Group of galaxies (which includes the Milky Way and the Andromeda Galaxy) must be ...

Astronomers studying the Milky Way's oldest stars have estimated that the Universe is about 13.6 billion years old.

Neutron stars harbor some of the most extreme environments in the universe: their densities soar to several times those of atomic nuclei, and they possess some of the strongest gravitational fields of ...

Scientists propose a gravitational-wave method called the stochastic standard siren to measure the Hubble constant, offering an independent way to examine the universe’s expansion and the Hubble ...