


An asteroid collision may have formed a strange hybrid meteorite
NASA/JPL-Caltech
A meteorite that fell on Earth more than a century ago may contain some of the first concrete evidence for a cosmic smash-up in the early solar system.
Following the birth of our sun 4.5 billion years ago, it is thought that Jupiter’s formation caused two reservoirs of asteroids to gather in the solar system, one inside the giant planet’s orbit and one outside. The former are known as non-carbonaceous asteroids, because they are traditionally low in carbon, whereas the latter are …
More Stories
More than 400 Grail patients incorrectly told they may have cancer
Pandemic lessons: More health workers, less faxing—an Ars Frontiers recap
The real culprit behind the 1871 vandalism of the Paleozoic Museum in Central Park