How The Moon Lost Its Magnetism
Scientists still don’t know when or why the moon lost its magnetic field—but it was at least a billion years later than they thought.
Astronomers sifting through years of stellar data have found that Einstein’s theories still hold up. Plus, other stories from this week in science.
Dan Brekke of KQED gives an update on the the reconstruction of the Oroville Dam spillway that collapsed in February.
NASA Eclipse Ballooning Project hopes to livestream the solar eclipse from weather balloons across the country.