A solar-powered plane landed in Dayton, Ohio on the latest leg of a record-breaking trip to circle the globe without consuming a drop of fuel.
California has loosened emergency restrictions on water conservation after El Nino-driven storms boosted reservoir levels this winter in parts of the state, authorities announced.
If you're a rattlesnake, you want to bring the right weapon to a squirrel fight.
Solar power could deliver $400 billion in environmental and public health benefits throughout the United States by 2050, according to a study from the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory ...
The recent surge in oil and natural gas development has been beneficial for most local governments in the United States, according to new findings by two Duke University researchers.
The full cache of secret documents from former US intelligence contractor Edward Snowden is being opened to journalists and organizations willing to work with the news organization holding the archive.
Canadian astronaut David Saint-Jacques will travel to the International Space Station (ISS) for a six-month mission in late 2018, Science Minister Navdeep Bains announced Monday.