Donald Trump accused former President Barack Obama of improperly discussing information about extraterrestrial life, though he did not provide evidence to support the claim. Trump made the remarks ...

The country's political debate is increasingly peppered with profanity but subjects such as immigration have been flashpoints for centuries.

Temnothorax kinomurai, a parasitic ant species found in Japan, reproduces asexually and all of its young develop into queens that try to take over other ants’ colonies ...

A soldier stands guard by a charred vehicle after it was set on fire in Cointzio, Michoacán state, Mexico, Sunday, Feb. 22, ...

The country's political debate is increasingly peppered with profanity but subjects such as immigration have been flashpoints ...