Saturn long held the record for having the most moon, however just a few months ago after the discovery of more moons orbiting Jupiter, that planet took the lead. Well, now using new data and image ...

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

Since March, Venus has been visible in the morning sky, just east of sunrise. But the planet's greatest elongation, when it ...

Of the roughly 6,000 exoplanets we’ve discovered, a significant number are in the apparent habitable zones of their stars.

Jupiter may have once been more than twice its current size, with a magnetic field 50 times stronger, say scientists who ...

Strawberry moon will be at full illumination June 11, the latest of the full moons tied to Native American tradition.

"Rings are mostly made of ice and small rocks," said William Saunders, a planetary scientist at NASA's Langley Research ...

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