Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: In quantum field theory, a vacuum ...

Here’s what you’ll learn when you read this story: In quantum field theory, a vacuum is never completely empty. Electromagnetic particles like electrons and positrons are always passing through in ...

My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far from Earth. My wife, Cristina, walked up just as the first space photo ...

A stronomers have found more evidence that there is a massive ripple traveling through the Milky Way. They have found ...

Jarred Roberts receives funding from NASA. My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far from Earth. My wife, Cristina, ...