Spacecraft are great explorers, but they can be frustrating pen pals. The farther from home a probe ventures, the longer its dispatches take to reach eager humans on Earth and the terser such reports ...

Cosmonaut Nikolai Chub working on the Russian segment of the International Space Station during an April 2024 spacewalk. Credit: NASA MILAN – Spacewalks, often a highlight of space missions, are ...

For the first time, astronomers have used a machine learning algorithm – a form of self-teaching AI – to confirm the existence of exoplanets in data collected by the now-retired Kepler space telescope ...