Author: Scientific American

The 24 alien books the Scientific American staff love, from The Hitchhiker’s Guide to the Galaxy to Contact and beyond

SpaceX’s IPO—the largest in history—has out-of-this-world implications for AI, space commerce and extraterrestrial exploration

The new movie Disclosure Day is all about a big, alien secret. But SETI researchers behind the updated post-detection protocol say they aren’t in the business of secrets.

Reusable rockets and Starlink made Elon Musk’s company dominant in spaceflight. Its record valuation leans on making Starship flights routine and orbital AI data centers real

Meteor camera networks can reveal the hidden history of the solar system, and you can assist from your own backyard

Extremely curved spacetime can warp cause and effect, creating channels for backward communication

A linguist lays out what communicating with aliens could actually involve—and what that tells us about human language

In a first, the American College of Obstetricians & Gynecologists released its own vaccine schedule

Salt, with its ability to seal liquid in, is uniquely suited to storing the nation’s Strategic Petroleum Reserve

This tiny robot might look like a high-tech hamster ball, but it could hasten lunar exploration