You can't see the electromagnetic spectrum, but its connections are crucial to our defense systems.

PeV — has been detected by the underwater KM3NeT telescope, marking a pivotal moment in astrophysics. This tiny but powerful ...

Bryan Clark testifies before the Senate Committee on Commerce, Science, and Transportation.

Cleaner, more pure water backscatters light in the blue range, which makes it look blue. One famous example is Crater Lake in ...