The search for Planet Nine, a hidden world beyond Neptune, is heating up as scientists prepare to use a powerful new telescope.

Nearly 47 years ago, two NASA spacecrafts were bound for one of the grandest journeys across our solar system to fly by and learn about our outer gas giants.The ...

Freezing cold, dark and with an atmosphere that smells like farts and rotten eggs? Uranus doesn’t sound like somewhere you’d want to call home. But let’s say you did want to move to Uranus. What kind ...

When we think of exoplanets that may be able to support life, we home in on the habitable zone. A habitable zone is a region ...

Elon Musk aims to make life multiplanetary, but Jeff Bezos believes we should be building massive cylindrical space stations.

Written by the former chief historian of NASA, the book examines the evolution of our cosmic understanding—from early civilizations to the present day ...

Astronomers are investigating the possibility of a hidden ninth planet beyond Neptune, which could explain unusual orbital patterns in the Kuiper Belt.

Amy Simon of NASA’s Goddard Space Flight Center in Greenbelt, Maryland, lead author of the paper published recently in The ...

Tiny grains from a distant asteroid are revealing clues to the magnetic forces that shaped the far reaches of the solar ...

As technology continues to progress, though, could we uncover a new one? Astrophysicists don't know if there are ...

One of the best-timed shots in TV history is an old clip by BBC's science presenter James Burke which has recently become ...

Since NASA's Juno spacecraft entered Jupiter's orbit in July 2016 and began transmitting image data, the world has gotten ...