Reading shouldn’t be stressful, but sometimes it’s fun to turn up the heat with a challenge to see h

Over the past three weeks, the American public has had the chance to hear almost every Democratic ca

Cellulosic ethanol technologies that are well developed and rival the cost of fossil fuels will thri

The most complete assessment to date of Antarctica’s ice sheets confirms that the meltdown accelerat

LAS VEGAS (AP) — A slate of six Nevada Republicans have again been charged with submitting a bogus c

Cellulosic ethanol technologies that are well developed and rival the cost of fossil fuels will thri

Global warming will drive many of North America’s fish species hundreds of miles northward, potentia

Joran van der Sloot, the prime suspect in the 2005 disappearance of Alabama teenager Natalee Hollowa

AI-assisted summarySeveral countries are offering financial incentives to attract residents, particu

Wimbledon's famously strict rules requiring all-white clothing for its players now comes with an exc

One of the more innovative and effective efforts to convey climate information to the American publi

Texas is set to deploy a buoy barrier in the Rio Grande as part of plans to deter migrant crossings,

NEW YORK (AP) — The December holidaysare supposed to be a time of joyful celebration, but the season

Some of the Obama Administration’s most outspoken advocates on climate change urged health experts t

In 1859, Charles Darwin published On the Origin of Species, a book about the evolution of non-human