Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

A new study released on Thursday describes a search for what are called "microlensing" events, where a planet acts as a ...

Our sun is wobbling, and this has a huge impact upon the regularity of many of Earth's meteor showers, according to a new ...

The Solar System is very tidy. You have four rocky planets near the Sun, and four gas giant planets further away. An asteroid ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...

It wasn’t until NASA’s James Webb Space Telescope (JWST) turned its eye to the scene that the story took an unexpected turn.

Slideshows ...

UCSB Physics Professor Roger Freedman held our attention three years ago as he explained the wonders and understanding that ...