South Korea is moving to upgrade the ROKAF's F-15K Slam Eagle fleet to a configuration similar to the F-15EX Eagle II, significantly enhancing its long-range strike and survivability capabilities.

One is refined and turbocharged, the other razor-sharp, but only one proves it has the edge.

Our bones are multi-functional body builders, but perhaps their most mysterious function is the production of blood. Scientists now think they have a pretty good idea why this is where our blood gets ...

From life-hacking tech to a history subscription, we curated the 33 best Valentine's Day gifts for him that balance ...