What was the mysterious beam of light seen from Arizona and other western states on May 16? Was it STEVE? An astronomer ...

In a light-polluted San Diego backyard, an astrophysicist reflects on the intriguing properties of light as he captures an ...

Free-range atoms, roaming around without restrictions, have been captured on camera for the first time – enabling physicists ...

Credit: Alan Dyer/VW Pics/Universal Images ... newly known phenomena—the original Steve was first spotted less than a decade ago in 2016, by the Alberta Aurora Chasers citizen science group ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Einstein rings ...

Scientists suggest leveraging an optical phenomenon called chromatic aberration -- that usually degrades image quality -- to produce suitable images with ... the magnitude of light absorbed ...

The Hubble Space Telescope recently celebrated its 35th anniversary in space. The Telescope has been operating for over three ...