A planet twice the size of Jupiter has been confirmed in Nu Octantis. Its retrograde orbit and origin raise new questions about planetary formation in binary systems.

Injecting far-flung ice-covered lunar oceans with earthly microbes to see how life is shaped may seem like the diabolical ...

The research builds on existing information about Uranus, like the fact that the planet is composed mainly of water and ...

NASA has just made a stunning discovery — a massive frozen disk measuring 37 trillion kilometers wide was found orbiting a young star called HD 181327. That’s more than 4,000 times the distance ...

In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and ...