Planetary systems begin in chaos. In their primitive form, many rocky and icy objects are careening through space, smashing ...

Could two giant planetary building blocks really meet in the same star system in just two decades? In the star system around ...

Planet-forming collisions were once thought to be rare—new observations suggest they may occur far more often than scientists ...

When the solar system began to form, everything was chaos. A slew of rocky material was smashing together in a maelstrom that ...

It is a rare occurrence indeed for a theory to be turned upside down by the cold accuracy of observation, until the Hubble ...

Two rare cosmic collisions around the young star Fomalhaut were caught by space telescopes, offering new clues about how planets form.

Astronomers studying a nearby star expected to find a planet. Instead, they caught two massive collisions in the Eye of ...

Two cosmic collisions near the star Fomalhaut solve the mystery of a disappearing "planet" and show rare planetesimal crashes ...

NASA’s Hubble Space Telescope spotted the glowing remains of two space rocks crashing together in a nearby planetary system, ...

Astronomers determined that Dagon had never been a planet at all, but rather a brilliant dust cloud produced when two asteroids had crashed into one another ...

North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the Northern ...

For only the second time ever, a collision between two asteroids has been observed around an alien star not too far beyond ...