Learn about the collisions between space rocks that have created huge dust clouds, one of which was previously mistaken for ...

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

When you buy through links on our articles, Future and its syndication partners may earn a commission. Main: An illustration shows an asteroid streaking toward the molten primordial Earth with the sun ...

What looked like a mysterious exoplanet was actually the sparkling debris from a violent collision between massive space rocks.

NASA’s Hubble Telescope observed repeated asteroid collisions in Fomalhaut’s planetary system, identifying debris clouds cs1 ...

A gentle bump goes a long way in the Kuiper Belt. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A new study from researchers at the Southwest ...

The term “planetesimal” refers to small bodies that orbited the Sun prior to the planets’ formation. In 2006, the International Astronomical Union (IAU) ruled that a “dwarf planet” is a nearly ...

In an unprecedented celestial event, NASA's Hubble Space Telescope (HST) captured the dramatic aftermath of colliding space ...

Psyche appears to be an iron core, or part of one, produced during the history of collisions experienced by a fairly large asteroid with other large asteroids. The collision or collisions were likely ...