Roughly every 378 days, Saturn swings into opposition, appearing up to 30% brighter and staying visible from dusk until dawn.

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

Saturn's famous rings are about to disappear. No, not literally – that isn't projected to happen for hundreds of millions of years. But for astronomers and stargazers using ground-based telescopes, ...

This is a montage of Hubble Space Telescope views of our solar system's four giant outer planets: Jupiter, Saturn, Uranus, and Neptune, each shown in enhanced color. The images were taken over nearly ...

This is a montage of NASA/ESA Hubble Space Telescope views of our solar system's four giant outer planets: Jupiter, Saturn, Uranus, and Neptune, each shown in enhanced color. The images were taken ...

Plus, catch Saturn and Neptune at their brightest; spy the "string of pearls" galaxy; and a close encounter of the moon and Jupiter.

Telescopes on the National Mall tonight will give people a chance to see the stars and experience the largest astronomy outreach event in the United States.

This GIF shows a fast-paced light show on the north pole of Saturn, as captured by the European Space Agency’s Hubble Space Telescope in April and May of 2013. The ...

When I was in grade school I was fascinated by the world’s largest telescope: the 200-inch-diameter Hale Reflector on Palomar Mountain near San Diego. What a behemoth! At the time I enjoyed using a ...

Astronomers using the Hubble Space Telescope have observed 3I/ATLAS, only the third known object from outside our solar system to visit our neighborhood. This interstellar interloper is putting on ...