You may think that time started 13.8 billion years ago at the birth of the universe, but physicists with alternative ...

Unexpected epochs of stillness that punctuate the cosmic timeline could offer a natural explanation for dark matter and many ...

Is the universe infinite, Aristotle asked in 350 BCE, “or is this an impossibility? The decision … is … all-important to our search for the truth.” The Greek ...

A unique dataset of Type Ia supernovae being released today could change how cosmologists measure the expansion history of ...

Is it far-fetched? Of course! But right now, cosmologists are trying to figure out if there’s a group of multiple universes running parallel to each other—and whether they might be habitable.

Astronomers have discovered what is believed to be the largest structure in the universe, more than 1.4 billion light-years across and containing seventy galactic superclusters. Our solar system is a ...

Get a sneak peek at Academy Award-winning actor Geoffrey Rush and newcomer Johnny Flynn as Nobel Prize-winning physicist Albert Einstein, in National Geographic's global event series GENIUS ...

A unique dataset of Type Ia Supernovae being released today could change how cosmologists measure the expansion history of the Universe.