NASA's Juno spacecraft zipped just 930 miles (1,500 kilometers) above the volcanic world Io in 2024. The extraterrestrial ...

Our moon goes through phases, sometimes turning red or disappearing into shadows. Here's what you need to know about the full moon.

It seems 2025 will have a strong start, too, with a planet parade just a few weeks into the new year. A planet parade is when ...

As 2025 begins, you can easily spot four planets in the evening sky. Venus, Saturn, Jupiter and Mars all shine brightly every ...

The Geminid meteor shower peaked overnight on Dec. 13 and 14, lighting up the skies as impressive meteors struck Earth's ...

The Sun reaches its southernmost point, the Ursid meteor shower peaks, and the Christmas Tree Cluster glitters in the sky ...

NASA's Juno mission has revealed that each of Io's volcanoes is likely fueled by its own magma chamber, not a global magma ocean. This conclusion was drawn from precise gravity measurements during ...

In this new image of NGC 2264, Chandra data (red, purple, blue, and white) is combined with optical data (green and violet) ...

See the year’s most striking images from the Hubble and James Webb space telescopes, NASA’s Mars rover and the best sky ...

The Earth-like exoplanet Trappist-1 b may have an atmosphere after all, potentially overturning earlier findings.

Two satellites will fly in precision formation, producing hours–long solar eclipses to reveal the secrets of the Sun's ...

While usually not as bright as the Geminids, the Ursid meteor shower can yield surprises. “The Ursids are generally a sparse ...