Five exquisitely preserved seed shrimp in a Miocene Era bat cave give a detailed snapshot of an ancient postcoital moment. Their fossilized sperm are the world's first, and they are enormous. Scientists don't know why.
The fourth-brightest source of radio emissions in our sky, the NGC 1316 galaxy beams thanks to the insatiable appetite of its black hole. Now astronomers have imaged the galaxy, and found it smeared with the remains of other galaxies it has demolished.
The latest step in the White House's new Climate Action Plan is a new plan to curb methane, a far more potent trapper of heat than carbon dioxide. The plan relies heavily on cooperation with oil, gas, and dairy industries.