Almost everything we know today about the beautiful giant ringed planet comes from Cassini, the NASA mission that launched in 1997 and arrived at Saturn in 2004. Since then, the spacecraft has been beaming home miraculous images and scientific data, revealing... More

North Korea has launched more than a dozen missiles this year, including ICBMs. What are ICBMs, and why are they so hard to shoot down? More

A how-to guide for anyone planning to build a universe. More

As the opioid crisis continues to unfold, doctors and scientists are exploring other ways of fighting pain. More

Hurl your star across spacetime, hitting targets and avoiding celestial hazards in your quest to earn a star that's big and bright enough to go supernova. As you play through the game’s 50-plus levels, you’ll meet new cosmic objects like small but dense... More