REDLANDS - Guest lecturer David Earle will speak on "Excavations in Peru" at 7:30 p.

WASHINGTON (Reuters) — Tiny diamonds sprinkled across North America suggest a ‘’swarm’’ of comets hit the Earth around 13,000 years ago, kicking up enough disruption to send the planet into a cold spell and drive mammoths and other creatures into extinction, scientists reported on Friday.

Burton Barr Central Library will present ''Archaeology of Phoenix's Chinatown,'' a free lecture and slide presentation hosted by archaeologist Todd Bostwick, from 7 to 8 p.m. Wednesday.

Tiny diamonds sprinkled across North America suggest a "swarm" of comets hit the Earth around 13,000 years ago, sending the planet into a cold spell and driving mammoths and other creatures into extinction.

The remains of an 18th century Spanish galleon have been found in a marshy area near Buenos Aires during excavations for a parking lot.

London, Jan 5 : Researchers have determined that necklaces dating back to almost 100,000 years, found in southern Africa and the Middle East, represent intellect among early modern humans that allowed them to migrate out of Africa and determined their evolutionary success.

TUBAC — Archaeologist Maren Hopkins will talk on Thursday about working in the U.S.-Mexico political borderlands environment and the results of the archaeological excavation she conducted at the border in Southeast Arizona near the San Pedro River last year.

With each flick of Cressman's whisk broom, 200 pairs of gawking eyes silently watched as one bone after another was unearthed from centuries-old dirt.

SIERRA VISTA — A mysterious "circle stone" is puzzling archaeologists who unearthed it with an ancient village in Sierra Vista's west end.

WASHINGTON: Tiny diamonds sprinkled across North America suggest a "swarm" of comets hit the Earth around 13,000 years ago, kicking up enough disruption to send the planet into a cold spell and drive mammoths and other creatures into extinction, told scientists.