Charles Q. Choi

Mar 14, 2023

Dim, Slow Uranus Discovered by Mistake

Uranus is the seventh planet from the sun and the third largest planet in the solar system.  Although Uranus is visible to the naked eye, it was long mistaken as a star because...
Jan 13, 2023

Prehistoric Hunter-Gatherers Once Lived in Siberia

Researchers investigating prehistoric DNA have discovered a mysterious group of hunter-gatherers that lived in Siberia perhaps more than 10,000 years ago.  The find...