Democratic presidential candidate and former Secretary of State Hillary Clinton comments on the Iran nuclear deal and outlines what she would do to ensure Iran complies if she is elected president.

The blueprint even extends to Mudurnu in north-western Turkey - although the strange cluster of Gothic "castles" found on the outskirts of this unheralded town, 180 miles south-east of Istanbul, has far more in common with Walt Disney's whimsical vision than the masterpieces of European construction...

Copenhagen has announced ambitious plans to become the world’s first carbon-neutral capital by 2025. This is how they plan to achieve their goal. For more information on The B1M: http://ow.ly/GxW7y

Apple Campus 2 Tour - see the progress on construction in Cupertino, California where the company is building its new "spaceship" to house over 12,000 additional employees, located near its existing Infinite Loop headquarters - February 2015 Aerial Tour of the Project

The Parker solar probe spacecraft has been launched successfully by Nasa. It was sent off into space on board the Delta-IV Heavy Rocket from Cape Canaveral in Florida. The satellite is designed to fly within six million kilometres of the Sun – closer than ever before.

Bill Gates recently got to check out the Omniprocessor, an ingenious machine designed and built by Janicki Bioenergy, which turns human waste into water and electricity. In places without good waste treatment plants, it could be a real game-changer.

The 18th season of "America's Got Talent" returns with a new set of aspiring performers looking to compete for the ultimate $1 million prize. The Bomba Trio's comedic audition has the judges howling with laughter!

The future of sea travel could be here -- and it just might help save the planet. A hydrogen-powered ferry that produces zero emissions will soon launch in the San Francisco bay.

The Solar Dynamics Observatory (SDO) celebrates its 5th anniversary since it launched on February 11, 2010. This time-lapse video captures one frame every 8 hours starting when data became available in June 2010 and finishing February 8, 2015. The different colors represent the various wavelengths (...

This exclusive time-lapse footage shows an entire U-2 plane being disassembled by Lockheed Martin technicians. Every U-2 plane gets revised part by part, repainted, and reassembled every 4,700 flight hours. More than 40,000 rivets and 1,800 individual parts, plus the fuselage, get inspected—and repa