NASA's two stuck astronauts take their first spacewalk together since arriving at the space station last year.

Before Neil Armstrong took his "giant leap for mankind," NASA staged a series of missions that paved the way for his team's ...

CNBC's Emily Wilkins reports on the fight over Trump's funding freeze. I visited the Europe’s largest Business Aviation conference and exhibition in Geneva this week. Take a look at the latest single ...

An Air Force F-35 fighter jet crashed on Tuesday during a training mission in central Alaska. Officials say the crash ...

Video captured what looks like space debris in the sky, which is "left over" from the Starlink-5693 launch vehicle, according ...