What happened to Amelia Earhart? New book takes on the case.

Rachel Hartigan on her new book, Lost: Amelia Earhart's Three Mysterious Deaths and One Extraordinary Life. [...]

Aurora Borealis Watch: 15 States May Catch Glimpse of Northern Lights This Week

Northerners may want to stay up late Tuesday night -- and some could luck out on Monday, too [...]

What's the best cabin layout for aircraft evacuation?

The key is to evenly distribute elderly passengers, who move more slowly, among the aircraft cabins. [...]

The US Military’s GPS Software Is an $8 Billion Mess

The GPS Next-Generation Operational Control System was due for completion in 2016. Ten years later, the software for controlling the military’s GPS satellites still doesn’t work. [...]

Starlink Satellite Breaks Apart in Orbit After Reported Anomaly

The event sounds similar to an incident that caused SpaceX to lose a satellite in December. [...]

5 Mysteries That the Artemis Missions to the Moon Could Finally Solve

The moon is not just a barren rock orbiting the Earth. The Artemis missions could answer the great unknowns that the satellite holds. [...]

These Are the 4 Artemis II Astronauts Leading the Historic Return to the Moon

The Artemis II mission crew includes the first woman, the first Black person, and the first non-American astronaut to travel to the lunar environment. [...]

Pay Attention to the Artemis II Moon Mission. It's Not Just Any Spaceflight

Commentary: NASA is sending four astronauts farther into space than any humans have ever traveled. But there's a much deeper subtext about what it all means. [...]

The Caves That Could Help Us Find, or Become, Aliens

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and living safely—beyond our planet. [...]