The Making of Our Planet live show set for April 6 Join natural history executive producer Huw Cordey in a special big-screen talk, featuring highlights from the Netflix documentary series, "Our ...

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there, waiting to ...

Here's everything you need to know about this week's parade of seven planets. Getty Images A seven-luminaries-deep parade of planets will line up and light up the night sky this week, folks. Just ...

While our Sun prefers to go solo, many other stars are parts of binary systems, with a pair of stars gravitationally bound to each other. In some cases, the stars are far enough apart that planets can ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...