Study Finds Earth’s Small Asteroid Visitor Likely Chunk of Moon Rock - NASA

The near-Earth object was likely ejected into space after an impact thousands of years ago. Now it could contribute new insights to asteroid and lunar science.

NASA’s Planetary Defenders Head to the Sundance Film Festival - NASA

NASA is bringing the high-stakes world of planetary defense to the Sundance Film Festival, highlighting its upcoming documentary, “Planetary Defenders,”

Coming Spring 2025: Planetary Defenders Documentary - NASA Science

ow would humanity respond if we discovered an asteroid headed for Earth? NASA’s Planetary Defenders is a gripping documentary that follows the dedicated scientists involved in the high-stakes world of asteroid detection and planetary defense.

Work Is Under Way on NASA’s Next-Generation Asteroid Hunter - NASA

The mirrors for NASA’s Near-Earth Object Surveyor space telescope are being installed and aligned, and work on other spacecraft components is accelerating.

NASA’s DART Mission Sheds New Light on Target Binary Asteroid System - NASA Science

In studying data collected from NASA’s DART (Double Asteroid Redirection Test) mission, which in 2022 sent a spacecraft to intentionally collide with the asteroid moonlet Dimorphos, the mission’s science team has discovered new information on the ori…

NASA’s Planetary Radar Tracks Two Large Asteroid Close Approaches - NASA

The Deep Space Network’s Goldstone planetary radar had a busy few days observing asteroids 2024 MK and 2011 UL21 as they safely passed Earth.

NASA Asteroid Experts Create Hypothetical Impact Scenario for Exercise - NASA

The fifth Planetary Defense Interagency Tabletop Exercise focused on an asteroid impact scenario designed by NASA JPL’s Center for Near Earth Object Studies.

NASA’s NEOWISE Infrared Heritage Will Live On - NASA

NASA’s near-Earth-object-hunting mission NEOWISE is nearing its conclusion. But its work will carry on with NASA’s next-generation infrared mission: NEO

NASA to Discuss Outcome of 5th Biennial Asteroid Threat Exercise - NASA

NASA will host a virtual media briefing at 3:30 p.m. EDT, Thursday, June 20, to discuss a new summary of a recent tabletop exercise to simulate national and

NASA’s NEOWISE Extends Legacy With Decade of Near-Earth Object Data - NASA

As the infrared space telescope continues its long-duration survey of the universe, it is creating a unique resource for future astronomers to make new

NASA Study: Asteroid’s Orbit, Shape Changed After DART Impact - NASA

After NASA’s historic Double Asteroid Redirection Test, a JPL-led study has shown that the shape of asteroid Dimorphos has changed and its orbit has shrunk.

NASA’s Planetary Radar Images Slowly Spinning Asteroid - NASA

During the close approach of 2008 OS7 with Earth on Feb. 2, the agency’s Deep Space Network planetary radar gathered the first detailed images of the

NASA Celebrates First Decade of International Asteroid Warning Network  - NASA Science

On January 13-14, 2014, representatives from NASA and various global research organizations convened the first meeting of the International Asteroid Warning Network (IAWN) steering committee.

Save the Date: Apophis 2029 Innovation (A29I) Listening Workshop - NASA

NASA’s NEOWISE Celebrates 10 Years, Plans End of Mission - NASA

The asteroid and comet-hunting infrared space telescope has gathered an impressive haul of observations, but it’s now at the mercy of the Sun, which is

DART Team Earns Smithsonian Michael Collins Trophy for Successful Planetary Defense Test Mission - NASA

NASA’s Double Asteroid Redirection Test (DART) will be honored with the 2024 Michael Collins Trophy for Current Achievement. For its work developing and

Data From NASA’s WISE Used to Preview Lucy Mission’s Asteroid Dinkinesh - NASA

Researchers have utilized infrared survey data to refine the asteroid’s size and surface brightness in support of the Nov. 1 encounter by NASA’s Lucy mission.

Near-Earth Asteroids as of August 31, 2023

Near-Earth objects (NEOs) are asteroids and comets that orbit the Sun like the planets with orbits that come within 30 million miles of Earth’s orbit. NASA

Double Asteroid Redirection Test Post-Impact Image Gallery

After 10 months flying in space, NASA’s Double Asteroid Redirection Test (DART) – the world’s first planetary defense technology demonstration – successfully

Construction Begins on NASA’s Next-Generation Asteroid Hunter

NEO Surveyor is the first purpose-built space telescope that will advance NASA’s planetary defense efforts by finding and tracking hazardous near-Earth objects.