Cosmology

Scientists reveal plans for future experiments to study the faint remnants left behind by the Big Bang.

"Deep learning" finds telltale arcs of light that indicate massive objects.

Observations of rotating galaxies could be explained without including dark matter, which may require changes to prevailing theories.

After top dark matter candidate fizzles out, physicists look to more exotic realms.

Could life as we know it have developed if fundamental physics constants were different?

Nobel Prize in physics harkens back to Einstein's so-called "blunder" and points to new mystery.