The largest gathering of world leaders on climate change opens at the United Nations on Tuesday amid calls for action to put the planet on course toward reversing global warming.
President Barack Obama will seek to galvanize international support in the fight against climate change on Tuesday when he addresses the United Nations, with time running out on his hopes of leaving a lasting environmental ...
Marshall Islands President Christopher Loeak was forced to heighten the seawall protecting his home last year, but says the year-old defences are now barely enough to protect his family from a "climate emergency".
The governor of the state of Louisiana, a possible Republican presidential candidate, said Tuesday that President Barack Obama's administration has become "science deniers," failing to do enough to harness the nation's energy ...
The Obama administration has concluded it will not publicly disclose federal records that could shed light on the security of the government's signature health care website because doing so could "potentially" allow hackers ...
Celebrating the 45th anniversary of the first lunar landing, President Barack Obama on Tuesday recognized the "courage" of astronauts Neil Armstrong, Buzz Aldrin, and Michael Collins, who participated in the mission.
The devout Christian family that upended a part of President Barack Obama's health care law aims to open a Bible museum in Washington in 2017, a spokesperson for the project said Friday.
More than 75 U.S. and Canadian scientists have sent a letter to President Barack Obama asking for a policy to preserve what remains of America's old-growth forest.
The White House on Friday ordered environmental regulators to review the effect that pesticides may be having on bees and other pollinators that have suffered significant losses in recent years.
A team at the Smithsonian Institution has scanned President Barack Obama's head to create the first 3D portrait of a sitting president.