The Valentine's Day northern lights will largely be visible in Canada and Alaska, but a few northern-most states may see the dazzling display, too.

What does the National Transportation Safety Board look for in a plane crash investigation? A flight expert explains.

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

New research at NAU looks at faster warming in the Arctic, and highlights concern about risks to the U.S. of a political ...

President Donald Trump says he has directed the Treasury Department to stop minting new pennies, citing the rising cost of ...

Scientists have long suspected that Mexican long-nosed bats migrate through southeastern Arizona, but without capturing and ...

Republican legislators and the Trump Administration have launched a multi-pronged effort to cut back national monuments in ...

Post-fire tree planting significantly accelerates forest recovery in burned areas, increasing regrowth rates by 25.7%.

How huge parts of the US could become uninhabitable within decades — even so-called ‘climate havens’ - It’s not just Florida and California — from poisoned water supplies to infrastructure issues to ...

Tyler Gaspin recorded two goals and one assist to lead Northern Valley past Clifton United 5-1 at Montclair State Arena in Little Falls.

Former Democratic state Rep. Laura Terech sat down with the Arizona Capitol Times to discuss her new role at the Secretary of ...

Solar weather will likely impact the Earth’s atmosphere this weekend, including a possible geomagnetic storm that could bring aurora borealis to more states, according to the National Oceanic ...