Nancy Atkinson

Physicists have a new scenario of the universe's expansion at the Big Bang that may explain why our universe has three large spatial dimensions.

The finding shows that oxygen can be generated in space without the need for life, and could influence how researchers search for signs of life on exoplanets.

Researchers have produced what they say is the first composite image of a dark matter filament that connects galaxies across the cosmos.

A new study pursues a kind of “paleontology” for gravitational waves in an attempt to explain how and why black holes collide and merge.