Astronomers tracking a nearby star system thought they had spotted an exoplanet reflecting light from its star. Then it vanished. Even stranger, another bright object appeared nearby. After studying ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

In a cosmic fireworks display, scientists have observed two objects colliding around a bright star 25 light-years from Earth.

NASA's Hubble Space Telescope has spotted fresh clues around a nearby star that strengthen the case that an object previously seen there was not a planet but an enormous space crash. A team of ...

What seemed like new planets around Fomalhaut were actually expanding dust clouds from violent planetary collisions seen by Hubble.