The question of what lies beyond the universe has fascinated scientists, philosophers, and dreamers for centuries. While there’s no definitive answer, a variety of intriguing theories offer ...

Join six leading experts to find out everything we know about the subatomic universe. Take a deep dive into the building ...

Scientists don’t have evidence of anything beyond our known universe. However, some predict that there could be multiple universes. A model that includes multiple universes could fix some of the ...

No one knows for sure what’s causing this puzzling mismatch, but some experts think it might point to new physics — ideas that go beyond what we currently understand about the universe.

Finding life beyond Earth is “only a matter of time ... exists somewhere in the universe. Less than 2 percent disagreed, with 12 percent staying neutral. So, based on this, we might say ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

Helium can help scientists detect the speed and direction at which we’re moving through space. Deuterium, which is left over ...

How big is the universe? Could it be infinitely large? If the universe has an edge, what is beyond the edge? And if the universe had a beginning, what was going on before that? Our experience of ...

String theory suggests that the universe is far more complex than we ever imagined. What if the fabric of reality is woven ...

Beyond Einstein? Not by a long shot. Einstein might be startled by the universe as we understand it today. But it is unmistakably his.