A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...

Saturn has just pulled far ahead in the solar system’s moon race, with a fresh wave of detections pushing its tally to 274 confirmed satellites. The surge, driven by deep imaging and clever data ...

Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists plan to find out ...

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be confused for Mars. The alluvial basin is full of tan and gray regolith, hued ...

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

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...

Saturn reigns supreme when it comes to the number of moons orbiting any solar system planet. Including the 128 ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...