The question of whether the cosmos goes on forever is no longer just a late night thought experiment, it is a live research ...

The evidence keeps flooding in. It now truly appears that the universe is infinite. This is no small piece of news. The implications are enormous. First, though, how do we know? How could we know? It ...

Tom Gliatto reviews the latest TV and movie releases for PEOPLE Magazine. He also writes many of the magazine's celebrity tributes. It s been nearly 35 years since Carl Sagan became a global celebrity ...