Science

Ingenuity’s 72 Flights Changed What Humanity Can Imagine on Mars

NASA’s small Mars helicopter began as a technology demonstration. It became the first aircraft to achieve powered, controlled flight on…

HIV Prevention Enters a New Phase With the First Twice-Yearly Injection

The FDA’s approval of Yeztugo gives people at risk of sexually acquired HIV a prevention option that requires dosing just…

Florida’s Coral Nurseries Are Growing a New Future for the Reef

In the Florida Keys, scientists and restoration groups are raising corals in nurseries, then returning them to damaged reefs in…

NASA’s SPHEREx Is Building a New Map of the Entire Sky

A NASA space telescope has begun a two-year survey that will examine the whole sky in 102 colors, helping scientists…

Europa Clipper Is on Its Way to Investigate an Ocean Hidden Beneath Ice

NASA’s Europa Clipper has begun a long journey to Jupiter, where it will study whether Europa’s underground ocean has the…

The Asteroid Sample That Is Rewriting the Story of Earth’s Beginnings

NASA’s OSIRIS-REx mission brought pristine material from asteroid Bennu to Earth, giving scientists an unusually close look at the chemistry…

Parker Solar Probe Has Touched the Sun—And It Is Sending Back New Clues

NASA’s Parker Solar Probe has completed the closest approach to the Sun ever made by a human-made spacecraft, giving scientists…

Amelia Earhart: The Pilot Who Became a Global Celebrity

Breaking Into a New Field Amelia Earhart became one of the most famous aviators of the twentieth century. At a…

The Strange Story of America’s First Commercial Air Mail

Mail Takes to the Sky When airplanes began carrying mail, the idea seemed almost unbelievable. Aviation promised to turn journeys…

The Refrigerator: The Invention That Changed the American Kitchen

Keeping Food Cold Reliable refrigeration changed daily life by allowing families to store fresh food safely for much longer. Before…

From Telegraph to Smartphone: The Race to Send Messages Faster

The Telegraph Breaks the Distance Barrier The electric telegraph transformed communication by allowing messages to travel far faster than physical…

The Personal Computer Revolution

Computers Leave the Laboratory Early computers occupied rooms and required specialized operators. The arrival of microprocessors eventually made it possible…