An Australian soldier was killed and five others were injured during a training exercise this week, officials said Tuesday.

The frontline in the Russia-Ukraine war stretches more than 700 miles and has barely moved in four years. Yet straddling this line is the Kill Zone, dominated by constantly evolving drone technology.

Oil markets remain on edge over potential Middle East supply disruptions, with Brent trading around $100 a barrel as the risk of further escalation persists.

Kenya’s Health Ministry has confirmed the country’s first imported Ebola case from Congo. Health Minister Aden Duale said on Tuesday the patient, a Kenyan citizen, arrived in the country

Darya Shipilova's death at a Siberian plague research institute triggered quarantines and mass observation, but Russia has not confirmed what killed her.

Francis Halzen is a leader in the study of neutrinos, ghostly particles from across the universe that hint at exciting new physics

Unnamed sources say the Omani man who attempted to hijack a flight from the United Arab Emirates to Israel likely targeted Ben Gurion Airport.

According to U.S. and British officials, 12 B-1 Air Force bombers from R.A.F. Fairford air base were withdrawn because of the risk of a drone attack ordered by Iran’s Islamic Revolutionary Guard Corps.