First someone had to conceive the idea of maps, then someone had to conceive the identity of ecosystems, and then someone ...

It's unlikely you'll be able to walk outside and see a line of planets, but according to NASA ... visible in various geographic regions nationwide in January. If you can't wait for next month's ...

Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a ...

A visible line of planets has for weeks been the talk of astronomers and hobbyist stargazers who have sought to catch a sight of our solar system's worlds. Online chatter and a frenzy of media ...

Join the Planet Planners and use your geography decision-making skills to deal with challenges including volcanic eruptions, earthquakes and coastal erosion. Your aim is to play five rounds ...

On Feb. 28, a stellar alignment of planets will illuminate the night sky for the last time in a decade Space Frontiers/Hulton Archive/Getty Calling all stargazers and astronomy enthusiasts ...

By Katrina Miller Astute skywatchers may have already seen the striking line of planets across the night sky in January. This week Mercury joins the queue. Now every other world in our solar ...

While the planets are always "aligned," seeing more than four in the sky is more uncommon, according to National Geographic.

It's unlikely you'll be able to walk outside and see a line of planets, but according to NASA, a seven-planet parade happening tonight could be visible in some form in parts of the U.S. The upcoming ...