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 ...

Find Planetary Orbits Latest News, Videos & Pictures on Planetary Orbits and see latest updates, news, information from NDTV.COM. Explore more on Planetary Orbits.

Scientific American spoke with the astronomer who has contributed to the discovery of two thirds of Saturn’s known moons ...

Stunning new Jupiter photos from NASA’s Juno spacecraft reveal storms, cloud bands, and its volcanic moon Io as the mission ...

Jupiter wasn’t always the planet we know today—it was once twice as big, had a magnetic field 50 times stronger, and its ...

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

New research strengthens the case that Venus, long considered a geologically stagnant world, may be more Earth-like in its ...

Understanding Jupiter's early evolution helps illuminate the broader story of how our solar system developed its distinct ...