A ghost galaxy with no stars is sitting in our galactic neighbourhood. It has been hiding in plain sight. What's special ...

The U.S. government has an official plan for a zombie apocalypse Think The Walking Dead is straight-up fiction? Well, it is—but the government wants to be prepared for a real-life version anyhow. The ...

Cognitive science has shaped how we talk about learning, but can teachers assess what they can’t observe? Exploring a more practical alternative.