While photographing the auroras during a geomagnetic storm, Mike Lewinski caught sight of something extraordinary: a ...

Residents in several states have been left in awe after witnessing the atmospheric phenomenon known as pillars of light that some liken to beams from alien spacecraft. While rare, the pillars form ...

A mysterious beam of light had thousands of Arizonans looking up on Friday. Was it an asteroid? Aliens coming in for a closer look? Experts think the answer is more down-to-earth. FOX 10's Ron Hoon, ...

White light interferometry (WLI ... This light source then targets a beam splitter, which splits the light into one beam that targets the sample, and one that targets the reference mirror.

A mysterious beam of light had thousands of Arizonans looking up on Friday. Was it an asteroid? Aliens coming in for a closer look? Experts think the answer is more down to Earth.

White dwarf pulsars include a rapidly spinning, burnt-out stellar remnant called a white dwarf, which lashes its neighbour -- a red dwarf -- with powerful beams ... 773 light years away from ...