AUSTIN, TX (KXAN) — Crippling cold weather is moving across the country, dropping temperatures to 16 degrees below zero in places like Forest Center, Montana, and 30 degrees in Austin. An illustration ...

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

In the cold, distant reaches of the Solar System, far beyond Pluto, astronomers have just identified what could be a new dwarf planet. It's called 2017 OF 201, a rock that appears to be some 700 ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

This image of the gas-giant exoplanet Epsilon Indi Ab was taken with the coronagraph on NASA’s James Webb Space Telescope’s MIRI (Mid-Infrared Instrument). A star symbol marks the location of the host ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

Astronomers have spent decades trying to find Earth-like planets beyond our solar system. These worlds are small, cold, and difficult to detect, especially when they lie in the "temperate zone"—the ...

At the far edge of the Solar System, where the Sun’s influence thins into the dark between the stars, a pair of aging ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. An artistic impression of Trappist-1 b shortly before it ...

This article was originally featured on The Conversation. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of ...