Astronomers have discovered what they think may be another moon orbiting a distant dwarf planet called Quaoar. This small, icy, egg-shaped planet in the far reaches of our solar system, beyond Neptune ...

Astronomers at the Complutense University of Madrid first spotted this intriguing event using a powerful telescope in Sutherland, South Africa. The tiny asteroid, measuring just 37 feet wide, has been ...

After years of observation, researchers finally understand how a pair of stars can maintain a stable orbital dance with an elusive planet. In 2004, David Ramm at the University of Canterbury in New ...