Jupiter, as always, is a dazzling object, shining among the stars of Gemini the Twins. It reaches opposition on Jan. 10; this ...

Now, a new Nature study points to an answer by catching four planets at a stage most systems never show us: The awkward, ...

In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

However, a free-floating (or “rogue”) planet offers none of that. It drifts through a galaxy without an obvious host star, ...

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in ...

Coming just after Planet Labs' (NYSE: PL) latest satellite launch, December was a good month for the space company's stock.