10 of the strangest hybrid animals
Nature doesn't have strict rules for cross-species coupling. Animals occasionally mate with members of another species, and nature occasionally …
View ArticleDoes evolution ever go backward?
In regressive evolution, organisms lose complex features and can appear to evolve "in reverse." But evolution doesn't retrace its steps, experts said. …
View ArticleWhich came first: The chicken or the egg?
Most biologists will answer confidently when asked "which came first, the chicken or the egg?" but the answer may depend on what type of egg you're …
View ArticleGenomes of 51 animal species mapped in record time, creating 'evolutionary...
Using a new technique, scientists created genetic blueprints for kangaroos, penguins, sharks and more. Researchers just mapped and published the …
View ArticleHidden DNA found in blue whales reveals they've been mating with other...
Newly sequenced genomes of blue whales in the Atlantic Ocean contain "unexpectedly high" levels of fin whale DNA, hinting that the two species have …
View ArticleAldabra rail: The bird that came back from the dead by evolving twice
The flightless Aldabra rail went extinct 136,000 years ago when its atoll home sank beneath the waves. Then it evolved again. Name: Aldabra rail …
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