NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare and X1 flare. See time-lapses of the flares in multiple wavelengths. Credit Space.com | footage c ...

Alexa is about to get much smarter. Amazon’s popular personal assistant has already powered more than 600 million devices worldwide over the past 10 years, says the company – including its many ...