The German navy says it has taken delivery of an Israeli-made Blue Whale underwater drone intended for reconnaissance and detecting “hybrid threats at sea.” ...

BlueWhale is designed to support the German Navy in unmanned submarine defense, anti-submarine warfare and covert maritime missions. The autonomous underwater vehicle combines reconnaissance, sensor ...

This photograph, captured by Slovak photographer Roman Balaz, won the silver prize in the category for Amphibian and Reptile Behavior in the World Nature Photographer of the Year competition. The ...

Pygmy sperm whales have a bizarre defense mechanism that is volatile, but highly effective in blinding and deterring predators.

NASA has detected a precursor or progenitor to a supernova for the first time – and it's all thanks to old photos. Researchers have now been able to study some of a supernova's progression by ...