Message to Attendees of the 2013 IAA Planetary Defense Conference

NASA’s Lucy mission successfully completed its Critical Design Review on Oct. 18.

NASA will provide live coverage on NASA Television of key events at the 70th International Astronautical Congress (IAC), which takes place Oct. 21-25.

The NASA lander's robotic arm seems to have helped its heat probe burrow almost 2 centimeters (3/4 of an inch) since last week.

NASA's Hubble Space Telescope has given astronomers their best look yet at an interstellar visitor — comet 2I/Borisov.

The HiRISE camera on NASA's Mars Reconnaissance Orbiter recently sent home eye-catching views of the agency's InSight lander and its Curiosity rover.

A new study suggests that while a majority of lunar ice deposits are likely billions of years old, some may be more recent.