This week marks 60 years since Mariner 2 flew by Venus, making the probe the first successful interplanetary mission. The flyby spacecraft flew within 21,500 miles of the Morning and Evening Star, ...

You have to feel for Mariner 9. First, the spacecraft loses its twin, Mariner 8, in a launch failure just weeks before Mariner 9 itself was scheduled to blast off toward Mars on May 30, 1971. Not only ...

On Nov. 28, 1964, NASA launched its first successful mission to the Red Planet. The historic Mariner 4 mission returned the first photos ever taken of another planet from deep space. The craft, ...

Once imagined as humid and hot forested wetlands, shrouded in clouds, Venus was the setting for countless sci-fi pulp imaginings. Edgar Rice Burroughs, a prolific pulp sci-fi writer, wrote of a hot ...

Fifty years ago, on Dec. 14, 1962, reporters gathered for a press briefing at NASA headquarters and heard an unearthly sound: radio signals being beamed back by a spacecraft flying within 22,000 miles ...

There was cake, coffee and nostalgia about achievements in space at the University of Colorado Boulder on Tuesday, but that was complemented by no shortage of looking forward to the future there. The ...