Studies found that illegal loggers clear-cut at least 24 acres (10 hectares) in the monarch butterflies' wintering grounds in central Mexico this year, a Mexican environmentalist said Friday.
Apple chief Tim Cook emphatically rejected accusations that the world's richest company is sidestepping US taxes by keeping bundles of cash overseas, suggesting that the claim was politically motivated.
NASA's Lunar Reconnaissance Orbiter (LRO) recently captured a unique view of Earth from the spacecraft's vantage point in orbit around the moon.
Almost all of Costa Rica's electricity came from renewable sources this year, making it one of a few countries in the world to eschew fossil fuels in energy generation, the state electricity agency said Friday.
Five months after NASA's New Horizons spacecraft flew past Pluto to take the first images and measurements of this icy world and its system of satellites, knowledge about this distant system continues to unfold.
A razor-wire fence rolled out by Slovenia on Croatia's border to block the path of migrants is seriously threating wildlife in the area, conservation group WWF warned Friday.
Two Americans aboard the International Space Station are gearing up for a spacewalk early next week to free a stalled rail car.
Estimates of future global temperatures based on recent observations must account for the differing characteristics of each important driver of recent climate change, according to a new NASA study published Dec. 14 in the ...
Just under four months into the science phase of the mission, NASA's Magnetospheric Multiscale, or MMS, is delivering promising early results on a process called magnetic reconnection—a kind of magnetic explosion that's ...
Congress on Friday passed legislation to fight cyber threats, pushing the measure through by tucking it into a sprawling government funding bill, after earlier failed attempts.