News tagged with ancient climate

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After mastodons and mammoths, a transformed landscape

Nov 19, 2009 | 4.6 / 5 (12) | 1

(PhysOrg.com) -- Roughly 15,000 years ago, at the end of the last ice age, North America's vast assemblage of large animals -- including such iconic creatures as mammoths, mastodons, camels, horses, ground ...

Giant extinct snake may -- or may not -- shed light on ancient climate

Other Sciences / Archaeology & Fossils

Aug 03, 2009 | 4.2 / 5 (5) | 5

(PhysOrg.com) -- Snakes coil up when they sense danger. Some snakes curl up in order to spring into action and strike. Snakes may also coil to preserve body heat, and this warming behavior could affect our understanding of ...

Sediment yields climate record for past half-million years

Space & Earth / Earth Sciences

Jun 15, 2009 | 4.5 / 5 (10) | 1

Researchers here have used sediment from the deep ocean bottom to reconstruct a record of ancient climate that dates back more than the last half-million years.

Scientists find more dinosaur bones at Utah quarry

Other Sciences / Archaeology & Fossils

Jun 05, 2009 | 5 / 5 (4) | 0

(AP) -- Scientists at one of Utah's major new dinosaur quarries have found 60 to 70 new bones this spring, including what appears to be a 20-foot-long neck bone discovered this week.

Researchers find ancient climate cycles recorded in Mars rocks

Space & Earth / Space Exploration

Dec 04, 2008 | 4.7 / 5 (20) | 2

Researchers at the California Institute of Technology (Caltech) and their colleagues have found evidence of ancient climate change on Mars caused by regular variation in the planet's tilt, or obliquity. On ...