Two Harvard dropouts are launching AI smart glasses that record every conversation. The Halo X glasses promise productivity benefits but raise major compliance and privacy challenges. Meta, Google, ...

They can look like something out of a movie, an alien invasion on the horizon, but the bizarre shape in the sky is an arcus cloud. Arcus cloud is the umbrella term for a low, horizontal cloud ...

An arcus cloud, or a roll cloud, signaled the incoming cold front as it reached the shoreline of Lake Michigan on Saturday evening. Another arcus cloud, known as a shelf cloud, appeared ahead of a ...

GREENSBORO, N.C. — If you looked up at the sky and saw a funnel-looking shape, you might strongly consider taking cover...quickly. But, what if that ominous cloud weren't really a threat? WFMY News 2 ...

A shelf cloud, also known as an Arcus cloud, moves toward Clawson, MI on Sunday, June 24, 2016. (photo submitted by Connie Miller Richnak) Strong storms moved across southern Michigan Sunday. At the ...

An arcus cloud is a rather long bar or shelf which extends outward from the front side of the base of a well-organized thunderstorm. It's common name is a shelf cloud and it is caused by the ...

A spectacular time-lapse of a rare twisting cloud formation is captured on video, appearing to roll up like a thick blanket. The clouds known as Arcus, or Roll Clouds, were spotted above a mountain ...