The concept of the multiverse has long captured the imaginations of science-fiction writers. Now, some physicists are starting to believe.
I knew nothing about the first woman in space — I didn't even know her name. That is, until "Orange is the New Black" sent me into a research wormhole.
It turns out some some of the science fiction you grew up watching wasn't quite that fictional when it came to technology.
Scientists at NASA and universities across the US are developing promising new technologies for space exploration. But it's all happening way too slowly, one scientist says. The reason: Congress.