Whether you're a seasoned stargazer or a backyard observer with binoculars, the final week of May offers a treasure trove of celestial events.

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

James Webb Space Telescope Sees Jupiter's Rings, Moons and Auroras Credit: Space.com | imagery courtesy: NASA, ESA, Jupiter ...

Discover interesting facts about how the moon formed, what it's made out of, and the many missions humans have launched to ...

Our satellite is a little off-balance. GRAIL data show a mass asymmetry of a few percent between its near and far sides.