NASA and the European Space Agency plan to bring samples back from Mars. Could they harbor a type of life that scientists warn could trigger mass extinctions on Earth?
New modeling of the early solar system is reshaping the familiar story of how the Moon formed, suggesting that Earth and the ...
Bears look like textbook mammals, but hidden in their evolutionary history are two dramatic departures from the standard ...
As our evolution slows and industrialization and technology accelerates, a growing body of research suggests that human biology is struggling to keep pace. Many of the chronic stress-related health ...
For centuries, engineers have turned to nature for inspiration. Leonardo da Vinci dreamed of gliding machines that would mimic birds. Today, the close study of animals and plants is leading to ...
The Major Histocompatibility Complex region evolves via gene birth-and-death, resulting in short-lived genes, rapidly expanding gene subfamilies, and many gene fragments.