Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Witness a rare celestial spectacle as seven planets align in the night sky for one night in late February, offering a ...

The seven planets will not be perfectly aligned, but will appear in an arc across the sky due to their orbital plane in the Solar System.

Unlike the 1974 alignment of Jupiter, Saturn, Uranus, and Neptune captured by the Voyager spacecraft, the planets visible this month will be flung across the sky at varied depths, distances ...

NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer planets of our solar system.

NASA has found something on Uranus and Neptune. The ice giants of the solar system have long been enigmas for science.

A planetary alignment, or a "planet parade" according to the internet, will grace our night sky just after dusk, according to ...

But Voyager 2 used the alignment to visit all four planets, becoming the only spacecraft in history to visit Uranus and Neptune, in 1986 and 1989 respectively. "That worked out fantastic," says ...