Giant sloths and saber-toothed tigers, oh my
Slamming hulking prey on the ground and impaling them with sabers is tough work
Researchers look to ancient melts to predict which species might survive in the present
Earth could be entering a new Ice Age within the next millennium, but it might not, the deep freeze averted...
Do nanodiamonds prove an asteroid impact killed off North America’s massive mammals 13,000 years ago? It depends on which scientist...
Will antimatter destroy the Catholic Church? Will Kirk beat up aliens? Will any of it sound even slightly plausible?
Old tools provide new evidence
Scientists find evidence that human involvement, not mere nature, led to Ice Age extinctions
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