President Donald Trump unveiled a budget blueprint last week that includes roughly $6 billion in federal funding cuts to the National Aeronautics and Space Administration (NASA). Despite the ...

NASA astronaut Don Pettit flashes a smile as he holds a birthday cake aboard the International Space Station, celebrating his 70th birthday in zero gravity. NASA astronauts Don Pettit and Suni ...

We are deeply disturbed that the White House Office of Management and Budget is contemplating cutting NASA’s science budget by up to 50 percent. Certainly, the space agency needs to modernize and ...

Following a seven-month stay aboard the International Space Station (ISS), NASA astronaut Don Pettit and two Russian cosmonauts landed safely in Kazakhstan aboard a Soyuz spacecraft on Sunday ...

Cake, gifts and a low-key family celebration may be how many senior citizens picture their 70th birthday. But NASA's oldest serving astronaut Don Pettit became a septuagenarian while hurtling ...

NASA's Lucy spacecraft has beamed back pictures from its latest asteroid flyby, revealing a long, lumpy, odd-shaped space rock. The space agency released the images Monday, a day after the close ...

An expert in space and environmental durability of spacecraft materials, de Groh remembers a fleeting mood of disappointment, quickly followed by marching orders from NASA to help find solutions ...

A NASA rover taking rock samples on Mars has uncovered a plentiful mineral that was invisible to orbiters studying the Red Planet from space. Scientists say the discovery of siderite, a type of ...

In the nearly two weeks since Ars reported on the Trump administration's proposed budget cuts for NASA's science programs, scientists and Democratic lawmakers have both expressed deep concerns ...

Easter Sunday certainly hasn't been a day of rest for the astronomy community. All eyes are on NASA's asteroid-studying Lucy spacecraft, which should have had a close space rock encounter at 1:51 ...

NASA is providing a livestream of the May 1 spacewalk on its streaming service, NASA+. Earlier this year, Suni Williams made additional history for women astronauts when she set a record Jan. 30 ...

NASA's Nancy Grace Roman Space Telescope team shared Thursday the designs for the three core surveys the mission will conduct after launch. These observation programs are designed to investigate ...