An official state of the union for 66 years, Alaska is known for its glaciers, permafrost and national parks. Home to North ...

Researchers analyzed saliva the nocturnal mammals leave behind when sipping nectar from plants and residential hummingbird feeders.

"Are those shooting stars? What are those?" someone watching the breakup is heard saying from the Turks and Caicos Islands. "Look up everybody! Look up!," someone else says. SpaceX Founder and CEO ...