Do you remember the first time you truly discovered the universe? When I was a teenager, many moons ago, I bought my first telescope, a Celestron 8. I remember excitedly unboxing it the day it arrived ...

Refractor to reflector, Schmidt-Cassegrain to Maksutov-Cassegrain - this is everything you need to know about the different types of telescopes. When you purchase through links on our site, we may ...

Discover the many types of objects you may find in the sand — and where they come from Warning: This graphic requires JavaScript. Please enable JavaScript for the ...

The platypus is one of evolution's lovable, oddball animals. The creature seems to defy well-understood rules of biology by ...

For more than a century, scientists have wondered why physical structures like blood vessels, neurons, tree branches, and other biological networks look the way they do. The prevailing theory held ...