Cicada nymphs crawling through grass (© Carolyn Kaster/AP Images)

The Brood X cicadas arrive by the billions

Once every 17 years, billions of cicadas emerge from underground in more than a dozen U.S. states. Learn more about this strange natural wonder.
Hands holding a cellphone with ShakeAlert warning displayed (U.S. Geological Survey, Department of the Interior)

U.S. system will alert millions to earthquakes

The ShakeAlert mobile app, which took over a decade to create, will tell residents to seek cover before a 5.0 magnitude or higher earthquake.
Illustration of giant boxing glove on launch pad and scientists by chalkboard (State Dept./D. Thompson)

NASA readies its best asteroid punch

In a mission that sounds like the plot of a Hollywood blockbuster, NASA plans to test its ability to alter the course of a distant asteroid.
Cars on road at sunset (© Artens/Shutterstock)

Reducing vehicle emissions in the U.S. [infographic]

The transportation sector is one of the largest sources of carbon pollution. See how the U.S. government and auto industry are lowering emissions.
Man helping astronaut get out of his spacesuit (© AP Images)

60 years ago, Alan Shepard became the first American in space

Learn how astronaut Alan Shepard's 15-minute sub-orbital flight 60 years ago opened the door to lunar landings and other space missions.
Jill Biden speaking to students in a classroom (© Mandel Ngan/AP Images)

As U.S. students show appreciation for teachers, they can touch the...

First lady Jill Biden and second gentleman Douglas Emhoff are not the first educators to take on ceremonial White House roles.
Astronaut leaning on one arm while wearing space suit (© AP Images)

Remembering Michael Collins, trailblazing astronaut

Apollo 11 astronaut Michael Collins, who died April 28, made history during the 1969 moon landing. Learn about his public service legacy.
Illustration of two men building a connecting wall from two video game controllers (State Dept./D. Thompson)

Connecting students in the U.S. and Middle East through video games

The State Department is supporting a program that will bring together students in the U.S. and Middle East to create video games that address social issues.
Small helicopter flying over barren surface of Mars (NASA JPL)video

Meet the Burmese American who led NASA’s flight on Mars [video]

NASA is using a small helicopter to explore Mars. Learn more about the Burmese American woman who helped make Ingenuity's historic flight possible.