Gravity

The SyFy show about colonizing space is based on a book series by the same name — and both are firmly rooted in science.

The rift was poised to turn the upper Midwest into oceanfront real estate — until it stalled.

One hundred years ago, Einstein predicted the existence of gravitational waves. Today, for the first time, scientists announced that they’ve actually been detected. Here’s what the discovery might mean for our understanding of the universe.

What would you do with an extra second? Well, today you get to decide, because today is one second longer than usual. What’s that you say, the idea makes your head spin? Well, it’s because of the irregular way the earth spins.

For decades, astronauts have had to drink from plastic bags to keep their water and coffee from floating away. Now NASA is trying out a new “zero-gravity cup” that uses physics to simulate taking a normal sip back on the ground.