THAT AUTUMN, A RESEARCH VESSEL called the Glomar Challenger sailed over the Mid-Atlantic Ridge to drill holes and sample sediment. Fossils within the sediment samples they retrieved gave scientists a ...

Wealthy tech bro turned antivax crank Steve Kirsch attacked Paul Offit for refusing to debate antivaxxers, while Dr. Mike was "surrounded" by MAHA stans. These recent events led me to revisit the ques ...

How many 'blue' phrases do you know? Learn three more here.

Retired Rear Adm. Mark Montgomery, senior director and senior fellow at CCTI, joins ABC News Live to discuss what the challenges for leadership in Venezuela after Maduro capture. ABC News’ Alex Presha ...