According to NASA, the aurora on Earth may last only a few minutes, but on Saturn, it can last for days. In the 2010s, aurora ...

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

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

"Rings are mostly made of ice and small rocks," said William Saunders, a planetary scientist at NASA's Langley Research ...

Stars that pass close to the solar system could pull planets out of alignment, sending them hurtling into the sun or out into space ...

The curious minds at What If explore what it would mean for life on Earth if every planet in our solar system were habitable.

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

That star, named Polaris, is the brightest in the constellation of Ursa Minor, "The Little Bear".

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

Getting a probe to the icy giant planets takes some time—a journey to Uranus could take as long as 13 years, even with a gravity assist from Jupiter. However, several ideas are in the works to speed ...

"How planets are born is an unsolved area of research," astrophysicist Daniel Price of Australia's Monash University told ...

Researchers say they found a curious dot on infrared images taken 23 years apart that seems to be moving in a manner ...