In the 30 years since the discovery of 51 Pegasi b, more than 6,000 planets outside our Solar System have been catalogued. Two modern-day explorers explain how.

Discover the fascinating world of physics and engineering with our step-by-step guide on "How to Make a Pendulum Machine." ...

Astronomers have long thought the universe should look generally the same in every direction, but an anomaly in the radiation ...

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...