There’s an endless amount of curious and fascinating knowledge out there in the world, and discovering it is part of what ...

Images from NASA's Galileo mission reveal a tantalizing starburst-like feature. Scientists call it a "wall demon." ...

Planetary scientist Tom Van Flandern argued that the solar system did not form the way it was taught in schools. He believed ...

The movie, starring Sophie Sloan and Mads Mikkelsen, is a blast of visual delights.

A team of researchers from multiple institutions, including the University of Central Florida, is studying “Damhán Alla”—a ...

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. We already know a decent amount about how planets form, but moon ...

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Be sure to look up for one of October's most beautiful sky pairings Cheng Xin/Getty On Monday, Oct. 13, into early Tuesday, Oct. 14, the moon and Jupiter will appear side by side just before midnight ...

The period features lunar close approaches to Uranus and Jupiter, including the Last Quarter Moon phase. Jupiter also presents transit events of its Galilean moons, Io and Europa, accompanied by their ...

Due to the lapse in federal government funding, NASA is not updating this website. We're working continuously to improve our search results. If you aren't finding what you expect, please use our ...

Head’s up, skywatchers: Wednesday, June 25, is the new moon in Cancer, and according to astrologers, this month’s new phase is significant as Jupiter is conjunct, amplifying the energy. The new moon ...

The original version of this story appeared in Quanta Magazine. Scott Bolton’s first encounter with Io took place in the summer of 1980, right after he graduated from college and started a job at NASA ...