If light speed is impossible, what options remain for exploring the stars? This video investigates theoretical alternatives ...

A science-based look at wormholes, what physics suggests about them, and whether they play any role in the structure of space-time.

The fifth and final season of "Stranger Things" wrapped up this week. The hit Netflix show is set in the 1980s, about an Indiana town that gets caught up with a paranormal world and the various ...

Imagine two towns on two opposite sides of a mountain. People from these towns would probably have to travel all the way around the mountain to visit one another. But, if they wanted to get there ...