Maps and satellite imagery reveal the exponential growth of Musk's empire.

As global temperatures rise, scientists debate the pros and cons of solar geoengineering, a strategy to cool Earth by reflecting sunlight into space.

On April 8, 2024, a rare total solar eclipse captured the attention of the entire nation. Here's a look back of stunning images from the event.

When I was a kid, I was fascinated by the Powers of 10 video, which came out in the 1970s. Perhaps you remember it, with the ...