Smithsonian Magazine on MSN18h
A Record-Breaking ‘Ghost Particle’ From Outer Space Made a Splash of Light in the Mediterranean
The neutrino was 30 times more energetic than any other previously observed particle of its kind. Scientists still don’t know ...
NASA’s Webb Just Found Something Unexpected Beyond Neptune
Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...