A 30,000-year-old vulture fossil was found in volcanic rock. Scientists discovered microscopic feather details preserved in ...

The spheres, made from volcanic basalt and lapilli, were discovered across eight archaeological sites in Melka Kunture, dated ...

Mysterious tunnels in desert rocks may be the work of unknown microbes, hinting at a hidden world inside marble and limestone ...

Scientists are confident Mars was once abundant with water, as seen in massive flood-carved channels, ancient river valleys, ...