In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a ...

Every June 30th, Asteroid Day marks the anniversary of the 1908 Tunguska impact and turns global attention to the science of ...

A University of Colorado Boulder study has found that a rare type of meteorite likely came from a giant, ancient protoplanet ...

Moon impact 3.5 billion years ago reveals hidden Solar System history through tiny mineral grains. The discovery shows asteroid bombardment continued long after the Late Heavy Bombardment period.

One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

Approximately 13.8 billion years. This is quite a large number, and yet at the same time, it is incredibly difficult for us ...

Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion years old—about three times the age of the solar system ...

Scientists believe a dust-filled ring just outside Jupiter acted like a cosmic “planetesimal factory,” producing multiple generations of early space rocks with very different compositions. The ...

Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

NASA found evidence of ancient water on asteroid Donaldjohanson, offering new clues about the early solar system.

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.