Officials were baffled by the surprise discovery of a destructive invasive species in the Colorado River earlier this year.

An international team of explorers have revealed unexpected findings discovered in a 75,000-year-old ice age European Arctic ...

New theories put forward possible answers to the long-standing question of dark matter’s particle nature, a major mystery of ...

Pluto’s mysterious far side may conceal towering ice formations, according to research offering clues about the dwarf ...