Why Proving You’re A Human Should Make You Proud

Anyone who has filled out an online form has surely encountered a CAPTCHA, or Completely Automated Public Test for Telling Computers... read more

The Trails of Comet Tails

The most notable part of any comet is its tail. Capable of stretching thousands or even millions of miles into space, the tail looks as if it follows behind... read more

Riding Shotgun

If there are more than two people riding in a car, it almost inevitable that a nice, calm walk toward the vehicle will turn into a running riot as one... read more

Ancient Light from the Sun

Light, the fastest thing in the universe, still can only travel so fast—180,000 miles per second. While light from the sun feels like it reaches... read more

The Cosmic Origin of Aurora

If you are fortunate to live close enough to the Earth’s poles then you may have seen the aurorae, colored waves of lights that move through the... read more

Do Toilets Flush the Opposite Way in the Southern Hemisphere?

Our planet is capable of producing some massive storm systems, one of which is hurricanes. We learn early on that in the Northern... read more

The Boundary Effect

Have you ever said to yourself that you need to grab something in another room, only to reach that room and completely forget what you went in there for?... read more

Why Are Lasers Shooting Out of Telescopes?

Videos and photographs of telescopes and telescope arrays can be gorgeous, showcasing these incredible man-made objects against a clear night sky. In some... read more