Diamonds, mating and chocolate: three necessities of Valentine’s Day.

New evidence from records of lake ice freezing and thawing is evidence for global warming.

Isotope analysis help track monarch butterfly migration; also used for dating specimens in anthropology and biology.

New searches are finding lots of asteroids. None of them are aimed at us — yet. How much damage have asteroids done in the past?

What’s new in polar science? What do seals do under the ice? How did humans cross the Bering Strait to reach North America? What does ancient metal tell us about ancient people?

Tyrannosaurus Sue, raised questions about who owns dinosaur fossils. Should they jut go to the highest bidder, or should they have special status as scientific objects?

How amber is used in archeology and paleontology: Reviving ancient bacteria, viewing ancient insects, what’s not to love about amber?