Astronomers have observed a massive growth rate in a free-floating rogue planet that’s gobbling up gas and dust at a record ...

A comet from another star system is swinging by Mars as a fleet of spacecraft trains its sights on the interstellar visitor.

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure ...

While I enjoy stargazing as much as the next person, I also love to know how things work – to get under the hood. French ...

The Habitable Worlds Observatory is poised to tell us whether Earth-like planets are common—if it can get off the ground ...

Lake Geneva, Wis., is a playground for Chicago’s wealthy, but there’s plenty to do for normies, too, and it’s a quick road trip away.

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, Amy Simon (NASA-GSFC), Michael H. Wong (UC Berkeley) / VISUALIZATION: Joseph ...

NASA’s exoplanet tally has climbed to 6,000, revealing bizarre and beautiful worlds far stranger than our own.

For decades, Saturn’s upper atmosphere has been one of the solar system’s great enigmas. Even the Cassini spacecraft, which ...