Brine shrimp (Artemia salina) in a laboratory tank prior to experiments studying the effect of their collective vertical migration.
This robot, created by researchers in Singapore, took 20 minutes 19 seconds to make and execute a plan to assemble an Ikea chair.
The United States Navy's laser weapon. It can be used to ablate, ignite or otherwise damage an air or sea target.
An image made by the Iceye-X1 satellite showing the Noatak National Preserve in northwest Alaska.
A healthy variable harlequin frog with golden coloring in the streams of Panama.
Adult emperor penguins and their chicks near a research station in Terre Adélie, Antarctica. Researchers found that male penguins from one colony often slipped out to hunt during breeding season.
Transportation Security Administration employees at work. The agency employs thousands of officers who try to spot suspicious passengers.
A promotional composite image from Knightscope showing the K5 Autonomous Data Machine.
A nearly 9-foot slab of rock found in a parking lot on the grounds of NASA’s Goddard Spaceflight Center holds the fossilized tracks of several dinosaurs and even a few early mammals.
S. Alan Stern, center, New Horizons’ principal investigator, surrounded by children at Johns Hopkins University Applied Physics Laboratory in Laurel, Md., on Tuesday.
A view of the Milky Way and neighboring galaxies, containing more than a billion stars, released by the European Space Agency’s Gaia mission.
“The domestic dog is selected for so many different things,” said one researcher conducting the experiment. The fox is only selected for friendliness.
A transparent hatchetfish, retrieved by researchers from the Woods Hole Oceanographic Institution, which is seeking to understand better the creatures that occupy the sea from 600 to 3,300 feet deep.
Sudan, the last male northern white rhino, who died in March.
Carl Hart, an associate professor at Columbia University, is the author of the book “High Price,” a mix of memoir and scientific research about drug addiction.
A view from Green-Wood Cemetery, near Battle Hill, which is Brooklyn’s highest spot.
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