The NTSB has located the cockpit voice recorder of a Learjet 55 aircraft that crashed in Philadelphia Friday evening.

NASA has identified a newly discovered near-Earth asteroid which has sparked interest due to its potential for impact.

At least seven people were killed and 19 were injured when an air ambulance crashed to the ground on a busy Philadelphia ...

Learn how NASA’s satellite fleet helps provide weather Information for the missions on the surface of Mars. Credit: NASA/JPL-Caltech ...

Former NASA crash investigator Ken Christensen analyzes the Philadelphia medical jet crash on ‘Fox News Live.’ ...