New season of ‘Dateline NBC’ explores the disappearance of a vibrant college art student named Katelyn Markham ...

Researchers documented killer whales hunting dusky dolphins in the Humboldt system of Chile for the first time, displaying ...

Fecal samples, which are scooped up before they dissipate in the water, can be hard to immediately attribute to the right pooper, but a DNA test can help with that. By examining an orca’s poo, ...

Police searching for a cheese wire attacker who killed a taxi driver in Scotland 41 years ago have announced a breakthrough ...

A pod of orcas has been spotted for the first time feeding on dolphins off Chile ’s coast, shedding light on newly discovered ...

A DNA breakthrough has found 200 potential familial DNA matches, or people who may be related to the killer, all scattered ...

This was the first time researchers found this pod successfully hunting dolphins, and it could help orca conservation efforts ...

The Humboldt Current’s orcas have yet to be assigned to an ecotype, and their hunting behavior provides clues about where the ...

A team of scientists has managed to capture unprecedented images of a pod, led by the matriarch ‘Dakota,’ feeding on the ...

Police are using familial DNA in the hopes of solving the murder of taxi driver George Murdoch in Aberdeen in 1983.

A crime thriller film directed by David Fincher, Two detectives, played by Brad Pitt and Morgan Freeman, hunt a serial killer ...