The goal for Climate Impulse is to take off unassisted, fly some 40,000 kilometers (about 25,000 miles) around Earth along ...

Swiss aviation pioneer Bertrand Piccard is developing a plane powered by liquid hydrogen after a much-hyped flight in 2015 ...

Astrophysicists have long theorized that there should be planets out there that are, in size, somewhere between Earth and ...

W e’re all looking for easier and more health-conscious methods of cleaning our homes and the steam cleaner is quickly ...