In a moment that felt ripped straight from the pages of a fantasy novel, a video of an eerie, black cloud drifting over ...

Intriguingly, ultralight dark matter might be able to turn into photons (light) — and it's through this process that the ...

Suddenly, a huge black cloud appeared on the horizon, approaching fast. Those on the road had to try to beat the storm home ... sitting for four hours in the dark, fearing that they would be ...

A tornado siren blared in Washington, Illinois, as dark clouds filled the sky on Wednesday, March 19. This footage of the looming storm was posted to Facebook by Rob Wiseman as the National Weather ...

Dark clouds were seen looming over Greenville, South Carolina, on Friday, April 11, as scattered storms approached the area. This footage filmed by Samantha Weiss shows a gray shelf cloud and storm ...