Scientists believe a dust-filled ring just outside Jupiter acted like a cosmic “planetesimal factory,” producing multiple generations of early space rocks with very different compositions. The ...

Venus and Jupiter will appear strikingly close after sunset on June 9, creating a dazzling planetary conjunction visible ...

North America’s celestial highlights for the weekend ahead, which also apply to mid-northern latitudes in the northern hemisphere.

Jupiter’s storms aren’t just gigantic — they may unleash lightning far more powerful than anything on Earth. Using NASA’s Juno spacecraft, scientists discovered that some lightning bolts on the gas ...

The two planets, being the two brightest planets in view from Earth, will also be joined by Mercury.