Smithsonian Magazine on MSN3h
Earth Bids Goodbye to Its ‘Mini-Moon’ as Astronomers Investigate Where Our Planet’s Asteroid Companion Came From
Preliminary research suggests asteroid 2024 PT5, which stuck around Earth for almost two months, has lunar origins ...
Could NASA’s Tiny Robots Discover Life on Europa?
Engineers took to a competition pool to test robotic prototypes for an ambitious mission concept—a swarm of underwater ...