Astronomers studying the distant universe have found that small star-forming galaxies were abundant when the universe was only 800 million years old, a few percent of its present age. The results suggest that the earliest galaxies, which...
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 opportuni..
Is your dog shy? Read on for classic signs of timidity & tips to help. (Extreme cases can look like aggression.)