Chinese AI robot dogs are everywhere online, but are they actually impressive or just another overhyped gadget? .In this ...

A fresh surge of solar energy is headed toward Earth, sparking a round of auroras across parts of the northern United States ...

A Cornell student's light sail, which weighs only 0.2 pounds, was released from the International Space Station by astronauts ...

The northern lights continue tonight, Jan. 12, after a weekend of back-to-back activity. Here's everything you need to know ...