KATHMANDU — Until a few decades ago, botanist Bharat Babu Shrestha observed abundant growth of Indian pennywort (Centella ...

A Kenyan national has been sentenced to 18 months in federal prison for illegally possessing a firearm, according to the U.S.

Nigeria confronts an invisible threat from invasive species in ship ballast water. Explore a scientific framework for ...

Top 10: The Strangest Aircraft Flying Today ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

In October 1989, a blast from the sun flung out a stream of super-powered protons. This solar storm lasted for days and ...