In August, stargazers in Japan recorded a bright flash on the giant gas planet. Scientists want to use data like this to study our solar system’s birth. By Katrina Miller Ko Arimatsu, an astronomer at ...

Combined observations from three spacecraft show that Jupiter’s brightest auroral features recorded to date are powered by both the volcanic moon Io and interaction with the solar wind. At Earth, ...

It was a turning point in the history of life on Earth. An asteroid an estimated 10-15 km wide slammed into Mexico's Yucatan Peninsula 66 million years ago, triggering a global cataclysm that ...

Ko Arimatsu, an astronomer at Kyoto University in Japan, received an intriguing email a couple of weeks ago: An amateur astronomer in his country had spotted a bright flash in Jupiter’s atmosphere.