Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own. Today Phil takes you through some Cold War history and then dives into what we know. Bursts come in two rough varieties: Long and...

Press conference announcing the first direct detection of gravitational waves -- February 11, 2016

A Chinese satellite was caught red-handed when it snuck away from its position in Earth orbit to do something very unsettling.