May 22nd and 23rd will be providing some excellent opportunities for seeing the International Space Station from Europe and North America. The details of each sighting vary from place to place, but it is safe to say that the two days and nights will be offering some of the best sightings for a long time!

I am often asked how gravity works. I usually answer and then they say ‘yes, but HOW does it work?’. Well here is another stab at answering a fairly complicated question via the internet (never a good idea).

Stephen Colbert interviewed International Space Station resident and Wriststrong supporter, Garret Reisman during his May 8th edition.

The BBC is running a video of Yves Rossy, a Swiss man who jumped from a plane and then flew using his homemade jet-propelled glider. The image above shows a previous version of the glider, which only has two jet engines. The model flown this week used four. Mr. Rossy,…

Using the microwave oven in your kitchen, you can measure a fundamental property of the universe: the speed of light. All you need are some tasty marshmallows and a ruler.

Planets move relative to the stars always moving from west to east in the sky. Well almost always. Every once in a while, a planet will slow down in its apparent slide across the constellations each night. For a few nights it may even appear to have stopped. Then it…

What number or method should be used when trying to signal our presence to alien races?