Science

The Wow Signal: A Mystery From Space

August 15, 1977. A radio telescope at Ohio State University picked up something extraordinary. The signal was powerful. Narrow band. Exactly at 1420 MHz — the frequency of hydrogen, the most

The Coelacanth: A Fish Out of Time

In 1938, off the coast of South Africa, a fisherman pulled up his nets and found something impossible. It was a fish. Large. Blue. With limb-like fins that moved like