Archaeology and anthropology

• Oldest American artefact unearthed - Premium content

  Oregon caves yield evidence of continent's first inhabitants.

  5 November 2009

• Native American culture sowed seeds of its own collapse - Premium content

  Floods brought the Nazca to their knees — but they crippled themselves by over-farming first.

  2 November 2009

• Lions' taste for human flesh dissected - Premium content

  Two maneaters devoured dozens in the late nineteenth century but one ate the lion's share.

  2 November 2009

• Fossil primate challenges Ida's place - Premium content

  Controversial German specimen is related to lemurs, not humans, analysis of an Egyptian find suggests.

  21 October 2009

• Prehistoric Clovis culture roamed southwards - Premium content

  Stone tools and bones of an ancient tusker found at extensive Mexican site.

  21 October 2009

• Darwin's geological mystery solved - Premium content

  Origin of odd South American boulders may have defeated the Origin's author.

  20 October 2009

• Impact theory under fire once more - Premium content

  Archaeologists fail to find evidence for comet explosion.

  14 October 2009

• North America comet theory questioned - Premium content

  No evidence of an extraterrestrial impact 13,000 years ago, studies say.

  12 October 2009

• Fossil rewrites early human evolution - Premium content

  Ethiopian find dates back 4.4 million years.

  7 October 2009

• Oldest hominid skeleton revealed - Premium content

  At 4.4 million years, Ethiopian fossil clarifies human–chimp relationships.

  1 October 2009