New global rankings show that U.S. schools dominate the world's top universities. Many top U.S. schools excel in both STEM subjects and the arts.
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.
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.
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.
The transportation sector is one of the largest sources of carbon pollution. See how the U.S. government and auto industry are lowering emissions.
Learn how astronaut Alan Shepard's 15-minute sub-orbital flight 60 years ago opened the door to lunar landings and other space missions.
Apollo 11 astronaut Michael Collins, who died April 28, made history during the 1969 moon landing. Learn about his public service legacy.
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.
NASA is using a small helicopter to explore Mars. Learn more about the Burmese American woman who helped make Ingenuity's historic flight possible.