Planets are about as scarce as they can be in our summer evening sky. Earth is the only one that’s visible as darkness falls. Just look down instead of up. All of the major planets that are visible to ...

It takes a certain kind of brave (and perhaps foolish) person to join Starfleet and venture into the great unknown, and most of the stories in the Star Trek universe are about an adventure gone wrong.

The Star Wars franchise famously takes place in a galaxy far, far away, but does Earth factor into things? We have an answer ...

About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 b ushered in a new era of exoplanet research.

Recent research has challenged the traditional view that water on planets must be delivered from space, suggesting instead ...

When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a main guiding principle. “All life on Earth needs liquid water, no matter ...

Are we alone? It's one of the most basic questions of human existence. People have been trying to answer it for millennia in ...

The International Astronomical Union (IAU) defines a planet as a celestial body orbiting the Sun, possessing sufficient mass for a nearly spherical shape, and having cleared its orbital neighborhood ...

LAS VEGAS--MindArk, the developer of the science fiction-based virtual world, Entropia Universe, has announced that it is spinning off the functional game side of its business into a separate company.

Brown dwarfs, between about 13-80 Jupiter masses, will fuse deuterium+deuterium into helium-3 or tritium, remaining at the same approximate size as Jupiter but achieving much greater masses. If a star ...