Some shark species might belong to their own distinct lineage, which is separate from all other sharks, rays and skates, according to a new study ...

A rare shark species thought to be wiped out due to overfishing has been spotted for the first time after over five decades in Papua New Guinea, shedding more light on the region’s rich biodiversity.

STANFORD, Calif. (KGO) -- If you ever come face-to-face with the wrong kind of shark, there's something you probably want to avoid. Just a hint: they're long and really sharp. But now, researchers at ...