If the universe is expanding, then what is it expanding into, and what is it expanding from? Where's the edge of the universe ...

This controversial theory says the universe is subject to an ultimate, higher-order law that we can’t comprehend.

"For the last 20 years, people believed that the cosmological constant is positive, and the universe will expand forever," Tye says. "The new data seem to indicate that the cosmological constant is ...

A Rutgers-led team of scientists has uncovered evidence of how galaxies expand by tracing the invisible scaffolding of the universe created by a mysterious substance known as dark matter. Subscribe to ...