When archaeologists studying a fifth-century Swedish site found a human skeleton lying on the floor of a house, they wondered ...

Mercury was once believed to be a dead and silent planet scorched by the Sun, but new discoveries revealed disturbing mysteries hidden beneath its surface. Scientists uncovered strange anomalies, ...

Every year, scientists venture into Earth’s most remote corners — from the crushing depths of ocean trenches to the misty canopies of cloud forests — and return with remarkable discoveries that ...