In the 2005 NASA Authorization Act, Congress mandated that by 2020 NASA should be capable of detecting at least 90 percent of objects over 140 meters wide in the vicinity of Earth’s orbit.

Read more (August 12, 2009)

NASA's Mars Rover Opportunity is investigating a metallic meteorite the size of a large watermelon that is providing researchers more details about the Red Planet's environmental history.

Read more (August 10, 2009)

Radar imaging at NASA's Goldstone Solar System Radar on June 12 and 14, 2009, revealed that near-Earth asteroid 1994 CC is a triple system.

Read more (August 06, 2009)

JPL scientist Glenn Orton recounts how he and his team used a NASA telescope to verify an impact at Jupiter, which was first observed by an amateur astronomer in Australia.

Go to blog / post a comment (July 29, 2009)

NASA's Jet Propulsion Laboratory is introducing a new Web site that will provide a centralized resource for information on near-Earth objects - those asteroids and comets that can approach Earth.

Read more (July 29, 2009)

NASA's Hubble Space Telescope has taken the sharpest visible-light picture yet of atmospheric debris from an object that collided with Jupiter on July 19.

Read more (July 27, 2009)

JPL scientist Leigh Fletcher describes a rare chance to observe the resulting debris from a space rock that slammed into Jupiter earlier this week.

Go to blog / post a comment (July 22, 2009)

Scientists have found evidence that another object has bombarded Jupiter, exactly 15 years after the first impacts by the comet Shoemaker-Levy 9.

Read more (July 20, 2009)

A NASA-funded study indicates that an intense asteroid bombardment nearly 4 billion years ago may not have sterilized the early Earth as completely as previously thought.

Read more (May 20, 2009)

A live videocast and chat from JPL offers a unique opportunity for viewers to ask questions of scientists with NASA's Near-Earth Object Program Office about how NASA discovers and tracks asteroids.

Read more (March 23, 2009)

A small asteroid will fly past Earth early tomorrow morning (Wed., March 18).

Read more (March 17, 2009)

An asteroid measuring several feet in diameter is expected to enter the atmosphere over northern Sudan before dawn Tuesday, setting off a potentially brilliant natural fireworks display.

Read more (October 06, 2008)

The Near-Earth Object Program Office at NASA's Jet Propulsion Laboratory in Pasadena, Calif., has not changed its current estimates for the very low probability (1 in 45,000) of an Earth impact by the asteroid Apophis in 2036.

View release (April 16, 2008)

As expected, Asteroid 2007 TU24 made its closest approach to Earth at 12:33 a.m. today, Jan. 29 (3:33 a.m. Eastern time), and is now headed away from our planet.

Read more (January 29, 2008)

Scientists at JPL have obtained the first images of asteroid 2007 TU24 using high-resolution radar data.

View release (January 25, 2008)

Scientists are monitoring the orbit of asteroid 2007 TU24.

View release (January 24, 2008)

Orbit mechanics experts from around the world recently met to discuss methods for finding the best possible spacecraft trajectory, or flight path, for visiting a sequence of asteroids.

View feature (April 05, 2007)

They are the celestial equivalent of sonograms. But their hazy outlines and ghostly features do not document the in-vivo development of a future taxpayer.

View feature (December 19, 2006)