(NEXSTAR) — The sky has already graced us with a total lunar eclipse and a rare planetary alignment, but we’ll soon have the chance to witness another peculiar celestial event: the disappearance of ...

The secret has been hiding in plain view for 40 years. But it took the insight of a veteran astronomer to pull it all together within a year, using observations of Saturn from NASA’s Hubble Space ...

Saturn's rings have disappeared from view, as seen from Earth, due to a phenomenon known as a ring plane crossing. A ring plane crossing happens every 13 to 15 years and occurs when Saturn's angle of ...

About 400 years ago, astronomers observing Saturn through telescopes were baffled when its rings seemed to vanish.

Twenty-five years ago this week, NASA's Voyager 2 probe began its epic, ongoing space odyssey, a voyage of discovery that many consider humanity's greatest feat of pure space exploration. Zooming past ...

Thirty years ago, on Aug. 25, 1989, NASA’s Voyager 2 spacecraft made a close flyby of Neptune, giving humanity its first close-up of our solar system’s eighth planet. Marking the end of the Voyager ...

NASA has confirmed that after a pause in communications with Voyager 1 in late October, the spacecraft has regained its voice and resumed regular operations. Voyager unexpectedly turned off its ...