A robot smiles with the help of mechanical actuators beneath a flexible layer of living skin, in an image released by University of Tokyo researchers. Takeuchi et al. CC-BY-ND hide caption
Strange News
This photo provided by the Las Vegas Metropolitan Police Department shows the monolith found in Gass Peak in Nevada's Desert National Wildlife Refuge. Las Vegas Metropolitan Police Department/AP hide caption
Joie Henney says his emotional support alligator, Wally, is missing in Georgia after being kidnapped, found and released into a swamp with some 20 other gators. Heather Khalifa/The Philadelphia Inquirer via AP hide caption
Dazhon Darien had allegedly used the Baltimore County Public Schools' network to access OpenAI tools and Microsoft Bing Chat before the viral audio file of Pikesville High School Principal Eric Eiswert spread on social media. Michael Dwyer/AP hide caption
Chicago's iconic "rat hole" in the Roscoe Village neighborhood is seen on Jan. 19, 2024. The sidewalk landmark was removed Wednesday, April 24, 2024, after city officials determined the section bearing the imprint of an animal was damaged and needed to be replaced. Tyler Pasciak LaRiviere/AP hide caption
Two horses bolt through the streets of London near Aldwych on Wednesday. Jordan Pettitt/PA Images via Getty Images hide caption
Last week, James McCartney (left), the son of Beatle Paul McCartney, released a new song called "Primrose Hill" that he co-wrote with Sean Ono Lennon, the son of John Lennon. Pascal Le Segretain/Getty Images; Lionel Hahn/Getty Images hide caption
Selkirkia tsering fossil found in a collection from the Fezouata Formation in Morocco. Javier Ortega Hernández/Harvard Museum of Comparative Zoology hide caption
Ancient predatory worms have scientists rethinking the history of life on Earth
A long exposure photo of Firefly petunias, which are genetically modified to produce their own light through bioluminescence Sasa Woodruff/Boise State Public Radio hide caption
Watch your garden glow with new genetically modified bioluminescent petunias
Servers take off for the "Course des Cafes" in front of City Hall in central Paris on Sunday. Dimitar Dilkoff/AFP via Getty Images hide caption
The scraggly cherry blossom tree known as Stumpy on March 15 in Washington, D.C. At high tide, the base of the tree's trunk is inundated with several inches of water. Jacob Fenston hide caption
So long, Stumpy. More than 150 of D.C.'s cherry trees have to go as water rises
Elephantnose Fish, Gnathonemus petersii, Congo ullstein bild hide caption
The "shocking" tactic electric fish use to collectively sense the world
Nearly 80 "leaplings" of all ages celebrated their leap day birthday on a Caribbean cruise in 2020. Organizers expect a similar turnout this year. Jason Bohn hide caption
A clock showing February 29, also known as leap day. They only happen about once every four years. Olivier Le Moal/Getty Images hide caption
Why do we leap day? We remind you (so you can forget for another 4 years)
A 3D model of a short section of the stone wall. The scale at the bottom of the image measures 50 cm. Photos by Philipp Hoy, University of Rostock; model created using Agisoft Metashape by J. Auer, LAKD M-V hide caption
Scientists scanning the seafloor discover a long-lost Stone Age 'megastructure'
Feb. 29 only happens every four years. How will you spend it? Tribune News Service via Getty Images hide caption
Manny loves Cayenne. Plus, 5 facts about queer animals for Valentine's Day
The traveler caught with the mummified monkey remains initially said the items were dried fish. Customs and Border Protection via AP hide caption
These people are all answers. You're welcome. Amy Sussman, Eric Thayer, Amanda Edwards/Getty Images/Getty Images hide caption
It took Richard Plaud years, not to mention more than 700,000 matchsticks, to build his replica of the Eiffel Tower. The structure stands 7.19 meters, or a little taller than 23.5 feet. AGT/via Richard Plaud and @toureiffelallumettes/Screenshot by NPR hide caption
Punxsutawney Groundhog Club President Tom Dunkel and groundhog handler AJ Derume with Punxsutawney Phil, at last year's annual Groundhog Day festivities in Punxsutawney, Pa. AP hide caption
Have a seat on my couch: When the beloved children's character Elmo asked people how they were doing, the responses came from far beyond Sesame Street. Craig Barritt/Getty Images for Headspace hide caption