NASA astronaut Don Pettit will return to Earth from the International Space Station Saturday, alongside his two Russian ...

Astronaut Don Pettit, who has been at the International Space Station since September, is set to land Saturday in Kazakhstan ...

A suitcase-sized quantum sensor could soon reveal hidden water, oil, and even underground mountains—all by tracking how atoms ...

NASA astronaut Don Pettit and two cosmonaut colleagues will return to Earth from the International Space Station (ISS) on ...

NASA astronaut Don Pettit and two cosmonaut colleagues will return to Earth this evening (April 19), and you can watch their homecoming live.

QGGPf is a gradiometer, an instrument that measures variations in Earth's gravity by comparing the acceleration at which two ...

Longtime NASA astronaut Don Pettit is set to return from his fourth trip to space on Saturday night. Here are some of his most stunning photos of the cosmos.

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Do you not sometimes wish you could just roll up and pack in your solar panels when going off-the-grid? This secret ...

NASA astronaut Don Pettit celebrated his 70th birthday returning from a 220-day mission on the International Space Station.

This mission will pave the way for groundbreaking observations of everything from petroleum reserves to global supplies of ...

NASA-led research provides compelling evidence that the Sun plays a significant role in lunar water production. By simulating ...