This Dinosaur Babysitting Session Didn't End Well

Babysitting isn't a human invention: roughly 3% of mammal species, and 8-9% of modern bird species, involve individuals other than the parents in raising the young. And this fossil nest, found in the Cretaceous rocks of Liaoning Province, China, might be the first known example of dinosaur babysitting. » 9/04/14 8:20am 9/04/14 8:20am

Discovered a new exoplanet? You might have been seeing spots.

Two of those promising new nearby exoplanets—Gilese-581g and 581d—may have never existed. Instead of being the second- and third-closest potentially-habitable planets, these former candidates for extraterrestrial life were likely nothing more than tricky sunspots. » 7/12/14 8:24pm 7/12/14 8:24pm