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

Our understanding of cosmology hinges on how well we know our own local universe, which remains poorly mapped and poorly ...

Near-infrared images from the James Webb Space Telescope revealed five early universe galaxies merging within a large halo.

The notion that our universe might be a giant simulation has intrigued scientists and philosophers for decades. Recent ...

For decades scientists believed the universe was built on ordinary matter, dark matter and dark energy. These unseen forces ...

Fast radio bursts (FRBs) last around a millisecond and in doing so encode otherwise unattainable information on the plasma ...

Matter-antimatter asymmetry puzzles physicists. Learn how the Deep Underground Neutrino Experiment (DUNE) may find answers.

The first chemical reactions in the wake of the Big Bang have been recreated for the first time in conditions similar to those in the baby Universe.

That cosmologists cannot agree on one of the most elementary facts about the universe is striking enough. But that uncertainty produces others, too: it makes it impossible to calculate an exact age ...

Quirks & Quarks is having its 50th anniversary this fall. Bob McDonald shares his appreciation for the people behind the ...

If you enjoyed this, see how quickly you can complete our most recent science crossword puzzle, updated every Monday. Note: ...

What was the universe like in the first few hundreds of millions of years after it came into existence? How did the first ...