As trees grow, they add rings to their trunks. Scientists can measure the chemical compositions of these rings to learn about the environment’s past. Richard Malak/Getty By Nikk Ogasa November 7, 2022 at 9:00 am A cryptic chemical signature of unknown origins, hidden...

One tiny springtail (left) prepares to launch itself high off of a water surface with far more acrobatic control than researchers have recognized. The other springtail shows how easily these little animals stroll on water. V.M. Ortega-Jiménez By Susan Milius November...

With eyeballs sticking out at the end of extravagant stalks on its head, a long skinny male fruit fly ( Pelmatops tangliangi) prowls shrubbery after the swift and weird extension of its eyes. Yong Wang By Susan Milius November 8, 2022 at 7:00 am Body changes at the...

Polymyxin “last-resort” antibiotics kill bacteria by crystallizing their cell membranes. Ted Horowitz/The Image Bank/Getty Images By Elise Cutts November 8, 2022 at 11:00 am To kill drug-resistant bacteria, “last-resort” antibiotics borrow a tactic from Medusa’s...

Carved into this ivory comb, dating to 1,700 B.C., is a sentence warding off lice that’s written in the early language of the ancient Canaanites, a new study finds. Dafna Gazit/Israel Antiquities Authority By Freda Kreier 14 hours ago Engraved into the side of a...