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Early Devonian fish tell a new story of how humans got their chompers.
String may have been invented between 160,000 and 120,000 years ago.
NASA's Perseverance Mars rover has been attached to the top of the rocket that will send it toward the Red Planet this summer. Encased in the...
Stanford scientists find the growth of phytoplankton in the Arctic Ocean has increased 57 percent over just two decades, enhancing its ability to soak up carbon...
The evolution of human teeth began among ancient armored fishes more than 400 million years ago. In the scientific journal Science, an international team led by...
Changes in a few small molecules involved in a cell's metabolism seem to indicate whether a restricted "life extension" diet will actually extend, shorten, or have...
Scientists at Stanford University have discovered a surprising shift in the Arctic Ocean. Exploding blooms of phytoplankton, the tiny algae at the base of a food...
Unlike vertebrate embryo cells, which signal to each other over long distances, sea squirt embryo cells talk only to those they’re closest to.
Australian astronomers have detected a series of inexplicable signals that they believe could be “a new class of astronomical object.”
Experiments on 160,000-year-old clam shell fossils in northern caves indicate they are earliest examples of shell beads strung for display on the human body, Israeli scientists...