There are many open questions about how our planet formed 4.55 billion years ago: When did plate tectonics start? When did the Earth's mantle begin to vigorously circulate in a process called ...
Purim, a colorful Jewish holiday celebrating resilience and bravery, begins March 2 at sundown. The one-day festival commemorates the salvation of Jews in ancient Persia (modern-day Iran) who were ...
Unretouched triangular microlithic projectile points have been identified from their impact traces in the oldest occupation layers of the Obi-Rakhmat site in Uzbekistan, dating to 80,000 years ago.