Rare comet visible this weekend won't return to Earth for another 80,000 years. Here's how Texans can catch a glimpse.

Comet A3 will be visible to the naked eye this weekend, meaning it is the last time to see the 'once in a lifetime' space ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

This week, explore a sunken Antarctic ship in detail, keep an eye out for a historic comet sighting, learn why dolphins smile, and more.