The Democratic party has no clear leader, although several names have emerged. Now, it's Chris Van Hollen's turn.

Veteran NASA astronaut Don Pettit celebrated his 70th birthday as he returned to Earth from a seven-month stay at the ...

Don Petit, along with two Russian cosmonauts, touched down in Kazakhstan Saturday evening after a 220-day mission abroad the ...

A Soyuz capsule carrying two Russian cosmonauts and one American astronaut safely landed Sunday in Kazakhstan, concluding a ...

Don Pettit, NASA's oldest active astronaut, marked his 70th birthday by landing on the steppe of Kazakhstan after 220 days in ...

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

Once sidelined, President Trump’s counselor Peter Navarro has returned to Washington and quickly upended the global trading ...

NASA’s space-faring probe Lucy is set have a close encounter with an oddly shaped asteroid more than 100 million miles from ...

On paper, the USSF is dedicated to defending U.S. interests in space. More specifically, the USSF is charged with protecting ...

Nasa astronaut Don Pettit marked his 70th birthday not in the quiet of retirement or with a cozy family gathering, but while ...

Though most of the region surrounding the rock is light-colored and dusty, Skull Hill is dark, angular, and covered in tiny ...

President Donald Trump’s nominee to run NASA will tell US senators the agency’s priority will be to send US astronauts to Mars, while promoting a thriving space economy in orbit. (Photographer: Kent ...