America's oldest serving astronaut Don Pettit has returned to Earth on his 70th birthday. Don's Soyuz MS-26 space capsule ...

Cake, gifts and a low-key family celebration may be how many senior citizens picture their 70th birthday. But NASA's oldest ...

The Curiosity rover unearthed evidence pointing to an active carbon cycle on ancient Mars, suggesting the Red Planet was once ...

SpaceX and NASA are teaming up on an early morning resupply mission to transport about 6,700 pounds of supplies up to the ...

The formation will appear just before sunrise. It will be visible from almost anywhere on Earth. Clear weather and a flat ...

The federal government says it has cut or frozen billions of dollars’ worth of grants and contracts to high-profile ...