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 ...

Surprised astronomers said Thursday they have discovered a star with planets in a bizarre order that defies scientific expectations – and suggests these faraway worlds formed in a manner never seen ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...