A little more than a month ago, the Psyche spacecraft took off, heading for a namesake "unique metal asteroid orbiting the Sun between Mars and Jupiter." It's not there yet (and it won't be until 2028 ...

A massive green and blue laser beam was spotted in the San Francisco sky earlier this week, and despite plenty of speculation online, no one seemed to know much about its purpose or origin – until now ...

As reliably as an evening with an epic sunset, social media platforms flooded with similar, colorfully striped images Tuesday night when the sky turned dark in San Francisco. The event wasn’t ...