A rare Japanese ant is the only species known to lack female workers and males; all of its young develop into parasitic queens that try to take over other colonies.

She was folding onesies at 2 a.m. when the image hit: her newborn tumbling down the stairs, limp and silent. The thought lasted maybe three seconds. The dread it left behind lasted the rest of the ...

A meditation on observation, revision, and the quiet thrill of being wrong — and what all of that means for conservation.

The Office of Refugee Resettlement denies that expectant migrant mothers are being sent to Texas for political reasons ...