Federal appeals court judges went after both the Obama administration and its opponents equally on Tuesday, in a whirlwind series...

President Barack Obama's anti-space exploration policies have created a vacuum that's being filled by China, bemoaned lawmakers on both sides...

Research published in the American Geophysical Union's journal Global Biogeochemical Cycles shows that recent rises in levels of methane in...

People must stop having so many children if they want to avert "catastrophic climate change," warns an American university ethicist....

"I believe climate change is real," Hillary Clinton asserted in her acceptance speech at this year's Democratic National Convention, while...