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.

“Houston, we have a problem” may be the most famous line in the annals of spaceflight. That’s what Tom Hanks, playing astronaut Jim Lovell, says in the movie Apollo 13. In reality, astronaut Jack Swigert said “Houston, we’ve had a problem ...

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

More frequent and intense winter dust events have affected Europe in recent years, according to some new research. Scientists believe that drier-than-normal conditions in northwestern Africa and more frequent weather patterns driving winds north from the Sahara are potentially behind these increasingly dusty winters.

NASA's moon landing program delay represents the latest in in technical, budgetary, workforce and public perception challenges plaguing the agency.

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.

NASA says its 1,300‑pound Van Allen Probe A is making an uncontrolled reentry into Earth’s atmosphere. Most of the spacecraft is expected to burn up, but late‑stage design changes mean some debris could survive and fall along its equatorial ground track.