Dragonfly will explore the giant Saturn moon Titan by air, helping scientists learn about the proto-ingredients of life on the satellite's hazy surface.

The Van Allen probe's mission was meant to last two years, but ended up going for nearly seven.

NASA launched the Mars Reconnaissance Orbiter in August 2005 and the following year, on March 10, it entered the orbit of the red planet where it continues to operate today. Data returned to Earth by the MRO has revealed Mars in unprecedented detail and ...

The probe was one of two launched in 2012 from Florida to study Earth's hazardous Van Allen radiation belts. NASA states that while some components may survive re-entry, the risk of harm to anyone on the ground is low. Van Allen Probe B isn't expected to ...

According to the space agency's tracking, the rock is hurtling through space at more than 21,500 miles per hour.

NASA is canceling the AXIS X-ray space telescope mission concept, saying it failed to meet key requirements. But the project leader thinks there's another reason.