BREVARD COUNTY • FLORIDA—NASA Associate Administrator Jim Free announced his retirement on Wednesday, effective Saturday, February 22.

NASA's OSIRIS-REx mission to return samples of Asteroid Bennu to Earth. Credit: NASA Goddard Space Flight Center ...

Jim Free, associate administrator at NASA, is set to retire on Feb. 22 after three decades of service.

NASA Associate Administrator Jim Free retires after 30+ years, leaving a legacy of leadership in space exploration.

The potentially hazardous asteroid Bennu probably won't hit Earth. But this study shows the damage a space rock of its size ...

Scientists have discovered traces of organic compounds in asteroid samples brought back by NASA, a finding that could suggest ...

NASA's Jet Propulsion Laboratory has declared a 1.6% chance that a large asteroid would strike the Earth when on Dec. 22, ...

Earth could face catastrophic consequences if hit by an asteroid similar to Bennu, according to new computer simulations.

Scientists recently completed computer simulations of what would happen to Earth if it were impacted by an asteroid with a ...

How would our planet physically react to a future asteroid strike? Researchers simulated an idealised collision scenario with ...

In an update issued on February 7, NASA said the probability of 2024 YR4 hitting the Earth had gone from around 1.2 percent (one-in-83) to 2.3 percent (one-in-43).