Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was ...

According to new simulations, many, even most, planets get ejected from their star early in their history Star Trek ...

This colorful image of the Helix nebula may mirror what someday could become of our sun and our home planet. Released on ...

One of these dwarf planets actually orbits in between Mars ... Pluto is smaller than Earth's moon, yet it still manages to have five moons of its own. Their names are Styx, Nix, Kerberos, Hydra ...

The largest object is the asteroid belt is the dwarf planet Ceres ... a field-of-view large enough to capture the entire planet It is about five times the distance from the Sun that Earth is ...

The planets are all too hot for life as we know it, but astronomers haven’t given up searching for more planets in Barnard's ...

Together, dwarf planets can help scientists learn a lot about ... Miriam Kramer Miriam Kramer worked as a staff writer for Space.com for about 2.5 years before joining Mashable to cover all ...

5 (UPI) --On this date in history ... It was considered the largest known dwarf planet in the solar system until a year later when Pluto was downgraded from being a planet. In 2008, tribal ...

So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...