Got an extra 400 bucks? How about spending it on a yo-yo? A really nice yo-yo, a state-of-the-art, forged-magnesium-alloy, ultralong-spinning yo-yo. Later this year, Duncan Toys, a seller of ...

Paul M. Sutter is an astrophysicist at The Ohio State University, host of Ask a Spaceman and "Space Radio," and author of "Your Place in the Universe." Sutter contributed this article to Space.com's ...

These weird defects in space-time should be out there, somewhere. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Paul M. Sutter is an ...

The universe’s first moments after the Big Bang were strange beyond imagination. Now physicists have discovered they may have been even weirder than we thought, dominated by enormous, twisted knots of ...

Subtle aberrations in the clockwork blinking of stars could become “the result of the century.” That’s if the distortions are produced by a network of giant filaments left over from the birth of the ...