But NASA's oldest serving astronaut Don Pettit became a septuagenarian while hurtling towards the Earth to wrap up a seven-month mission.

As the Trump administration attempts to choke off exports of strategically important computer chips to China, experts say the effort might backfire.

Step by mechanical step, dozens of humanoid robots took to the streets of Beijing early Saturday, joining thousands of their flesh-and-blood counterparts in a world-first half marathon showcasing ...