Brown tree snakes, which are invasive in Guam, have caused local extinctions of bird and bat species. Eradication efforts are ...

This love of high spaces is part of cats’ natural instincts, according to Stephanie Merlin, a certified feline behaviorist ...

This year's Sjöberg Prize of one million US dollars is awarded to a British cancer researcher who has provided fundamental knowledge about evolution in tumors.

Every organism alive on Earth, from oak trees to octopuses to the bacteria in our gut, belongs to a single extended family. Genetic evidence points back to one ancestral cell, a last common forebear ...

Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life. Imagine a hot, watery mix of ...

Long before today’s tree-dwelling sloths, a 4-ton giant roamed South America — and it may have stood and fought like a bear.

A new study says genetic testing can speed the return of the American chestnut tree that once dominated Eastern U.S. forests ...

Aerobic respiration began hundreds of millions of years earlier than previously thought, a new study suggests.

While sharks may have emerged before trees, it’s the latter that holds the title of the longest-living organisms. The oldest-known, still-living, individual tree is a 4,857-year-old Californian ...

Players will get to see the class's beginnings in Diablo 2 today and its more destructive evolution in Diablo 4 this April.

Scientists found a 307 million-year-old fossil, Tyrannoroter heberti, revealing one of the earliest known land vertebrates ...

Marine animals, such as the extremely simple flatworm Trichoplax, are ideal model organisms for studying the early ...