The asteroid Ryugu is an echo from the deep, distant past. Two tiny grains of the rock, delivered to Earth in 2020 by the famous Hayabusa2 mission, contain minerals older than any found on our planet.

Despite having such a dry and rocky exterior, asteroids used to be overflowing with water on the inside. The ancient asteroids of the early solar system even carried out the most important delivery in ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Japan’s Hyabusa2 space probe is currently about 105.5 million ...

NASA is monitoring five asteroids passing Earth in mid-November 2025. All objects are moving at safe distances from the planet. According to NASA’s tracking, these five asteroids routinely pass close ...