Water and organics may have been delivered to the inner solar system by volatile-rich asteroids that migrated in from the outer solar system. The Hayabusa2 and OSIRIS-REx spacecraft were recently […]
The Japan Aerospace Exploration Agency’s Hayabusa2 spacecraft successfully performed an artificial impact experiment on the surface of near-Earth asteroid Ryugu on April 5, 2019. The experiment entailed firing a two-kilogram […]
The Hayabusa2 mission led by the Japan Aerospace Exploration Agency (JAXA) has successfully returned materials from the asteroid Ryugu to Earth. Ryugu is a near-Earth asteroid of primitive carbonaceous chondrite-like […]
A study published in the Proceedings of the National Academy of Sciences reports the presence of ribose and other bio-essential sugars, including arabinose and xylose, in two carbonaceous meteorites, Murchison […]