Scientists confirmed that this 66-million-year-old fossil found in Antarctica is actually a foot-long egg.
Photographer Darren Cook snapped this photo of an American Kestral dining on a field mouse.
This male Brachycybe lecontii millipede protects its clutch of eggs. Read more about great animal dads.
Scientist Marianne Denton snapped this photo of a scelionid wasp parasitising some stinkbug eggs.
This trippy microscope image shows two different kinds of neurons: Chandelier (red) and pyramidal (green).
Cold Spring Harbor Laboratory
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