BepiColombo’s June 2023 flyby of Mercury put the spacecraft on the right trajectory to get in orbit around the smallest planet, and it was also a chance to test its science instruments.

Like Earth, Mars once had a strong magnetic field that shielded its thick atmosphere from the solar wind. But now only the magnetic imprint remains. What's long baffled scientists, though, is why this ...

Geophysicist Daniel Lathrop wants, among other things, to use it to predict when the Earth’s magnetic field will next reverse. Over the course of our planet’s history, the field has flipped ...