The giant molecular cloud known as W51 is one of the closest to Earth at a distance of about 17,000 light-years. Because of its relative proximity, W51 provides astronomers with an excellent opportunity to study how stars are forming in our Milky Way
Is your dog shy? Read on for classic signs of timidity & tips to help. (Extreme cases can look like aggression.)
Juno's first close-up of Jupiter's Great Red Spot has been beamed back to planet Earth.