Nov. 6, 2024 — Tiny grains from asteroid Ryugu are revealing clues to the magnetic forces that shaped the far reaches of the solar system over 4.6 billion years ago. The findings suggest the ...

A team led by researchers at MIT examined the particles from Ryugu to see if they showed signs of an ancient magnetic field. If such a field existed, it would have been weak, around 15 microtesla ...