World Topics

Gigantic ancient arthropod was really 'a very peaceful guy'

Mar 12, 2015

Gigantic ancient arthropod was really 'a very peaceful guy'

It was big. It was weird. And this monster from the primordial seas was also a trend-setter. Scientists on Wednesday announced the discovery in southeastern Morocco of beautifully preserved fossils of a huge arthropod — the group that includes crabs, scorpions, insects, spiders, centipedes ...

Chameleon's color magic revealed: nanocrystals

Mar 11, 2015

Chameleon's color magic revealed: nanocrystals

Humans have long been fascinated by chameleons changing color to dazzle mates, scare rivals and confuse predators. On Tuesday, scientists said they uncovered the mechanism of the feat, and that the results of their investigation astounded them. Rather than use pigments to switch color, ...

Mar 8, 2015

Mystery deepens over ancient Greek tomb at Amphipolis

A geologist who took part in the excavation of the ancient burial mound in Amphipolis in northern Greece says the tomb was built later than a series of vaulted rooms that also were found inside the mound. Geologist Evangelos Kambouroglou also said Saturday that ...

Hubble captures quadruple image of distant supernova

Mar 6, 2015

Hubble captures quadruple image of distant supernova

Astronomers using the Hubble Space Telescope and a naturally occurring cosmic magnifying lens have captured surprising multiple images of an exploding star, research published Thursday shows. The four images captured by Hubble were caused by light taking different paths around a massive galaxy cluster ...