First Alien Space Rock Seen in Our Solar System

For the first time ever, astronomers have spotted an alien space rock floating around in our solar system. The asteroid is the first unexpected visitor from outside our system, and it’s moving fast (5.8 miles per second) so scientists are frantically trying to learn as much as possible about it before it disappears. Discovered by Hawaii’s Pan-STARRS 1 telescope, the rock is less than a …

A Moon Cave for an Astronaut Base

A few things inhibit a full-time, human-populated base on the moon: micrometeorites, intense surface radiation and crazy temperature swings (from 100°C/212°F days into -173°C/-280°F nights). Japanese scientists from the Japan Aerospace Exploration Agency believe they have discovered something that can solve this: a massive cave (potentially once a lava tube) just below surface level. At 31 miles long and 330 feet wide, the space now …

Chris Sheldrick’s System for Giving Every Location an Exact Address

Billions of people live without an address—something that can hinder everything from emergency assistance to pizza delivery. From his time in the music industry overseeing the delivery of music equipment for performers, Chris Sheldrick was able to develop a system that offers every single location on earth a precise, three-word address. It’s done by dividing “the entire planet into [roughly 57 trillion] three-meter squares” and …