This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from ...

In recent decades, scientists have debated whether a seven-million-year-old fossil was bipedal—a trait that would make it the ...

New study of 7-million-year-old fossils from Chad proves Sahelanthropus tchadensis walked upright while still climbing trees.

Scientists may have cracked the case of whether a seven-million-year-old fossil could walk upright. A new study found strong ...

The year’s most notable findings also include insights into dog and sheep domestication and a new species of manta ray in the ...

Young Earth was a blue planet covered in oceans, much like today. But the atmosphere was a lethal cocktail of gases, with no ...

A new study links climate stress to the disappearance of the early human species Homo floresiensis, known as the “hobbits” of ...

Analysis of hundreds of single-cell genomes from Yellowstone National Park shows bacterial species are less cohesive than previously thought.

A research team led by scientists at Kumamoto University has discovered a new genus of microscopic crustaceans from northern ...

In a quiet riverbed carved into the Martian surface, a patch of layered stone may hold a clue to one of science’s most ...