Message to Attendees of the 2013 IAA Planetary Defense Conference

Next week at the 2019 Planetary Defense Conference, NASA’s PDCO and other U.S. agencies and space science institutions, along with international partners, will participate in a “tabletop exercise” that will play out a realistic—but fictional—scenario for an asteroid on an impact trajectory with Earth.

NASA’s social media presence was honored Tuesday with a pair of Webbys and People’s Voice awards as part of the 2019 Webby Awards.

NASA has established an independent Planetary Protection Review Board to review established guidelines for planetary protection and recommend any updates that are required.

NASA's Mars InSight lander has measured and recorded for the first time ever a likely "marsquake."

The next full Moon is the Flower Moon, the Corn Planting Moon, the Milk Moon, the Pink Moon, the Sprouting Grass Moon and Bak Poya.

Scientists have found evidence that Mercury’s inner core is indeed solid and that it is very nearly the same size as Earth’s inner core.