Solar System Exploration
Recently discovered object 2019 LD2, originally believed to be the first cometary “Jupiter Trojan” asteroid, turned out to be an interloper comet masquerading as a member of the Trojan population.
UPDATE: Astronomers recategorize asteroid-like comet detected by ATLAS telescope
What can asteroids tell us about the early solar system? The James Webb Space Telescope will help unravel these mysteries.
NASA's Webb Will Study the ‘Building Blocks' of Our Solar System
NASA’s first asteroid sample return mission is officially prepared for its long-awaited touchdown on asteroid Bennu’s surface.
OSIRIS-REx Ready for Touchdown on Asteroid Bennu
A large near-Earth asteroid will safely pass by our planet on April 29, providing astronomers with an exceptional opportunity to study the 1.5-mile-wide object in great detail.
Asteroid 1998 OR2 to Safely Fly Past Earth
The Dishchii’bikoh meteorite fall in the White Mountain Apache reservation in central Arizona has given scientists a big clue to finding out where so-called LL chondrites call home.
2016 Arizona Meteorite Fall Points Researchers to Source of LL Chondrites
On Apr. 14, the mission will pursue its first practice run – officially known as “Checkpoint” rehearsal – which will also place the spacecraft the closest it’s ever been to Bennu.
Rehearsal Time for NASA's Asteroid Sampling Spacecraft
Whether you're doing it for the nerd cred or the pie, this week on #10Things, we've got all the ways you can celebrate #PiDay with NASA.
10 Ways to Celebrate Pi Day with NASA on March 14
Benben Saxum and 11 other features on the asteroid are the first to receive official Bennu feature names approved by the International Astronomical Union (IAU).
First Official Names Given to Features On Asteroid Bennu
Preliminary results indicate that NASA’s OSIRIS-REx spacecraft successfully executed a 0.4-mile (620-m) flyover of site Nightingale yesterday as part of the mission’s Reconnaissance B phase activities.
OSIRIS-REx Completes Closest Flyover of Sample Site Nightingale
Spitzer, designed to reveal the far, cold and dusty side of the universe, made discoveries its designers never even imagined, including a previously unseen ring of Saturn.
10 Things Spitzer Taught Us About Our Solar System
NASA’s Lucy mission team is seeing double after discovering that Eurybates, the asteroid the spacecraft has targeted for flyby in 2027, has a small moon. This bonus science opportunity was discovered by the Hubble Space Telescope.
Scientists Confirm New Asteroid Satellite
To celebrate the 10th anniversary of the spacecraft's launch, the mission team has gathered their top 10 images and graphics based on WISE and NEOWISE data.
Celebrating 10 Years of the WISE Spacecraft
The spacecraft discovered that asteroid Bennu could be active, consistently discharging particles into space.
NASA's OSIRIS-REx Mission Explains Bennu's Mysterious Particle Events
NASA’s OSIRIS-REx mission is just days away from selecting the site where the spacecraft will snag a sample from asteroid Bennu.
NASA's OSIRIS-REx in the Midst of Site Selection
NASA’s Lucy mission successfully completed its Critical Design Review on Oct. 18.
NASA's Lucy Mission Clears Critical Milestone
The next full Moon will be on Sunday afternoon, October 13, 2019, The Moon will appear full for about three days centered on this time, from Saturday morning to Tuesday morning.
October 2019: The Next Full Moon is the Hunter's Moon
Two relatively medium-sized asteroids will fly safely past Earth overnight Sept. 13-14 (Eastern U.S. time).
Two Asteroids to Safely Fly by Earth
After months grappling with the rugged reality of asteroid Bennu’s surface, the team leading NASA’s first asteroid sample return mission has selected four potential sites.
NASA Mission Selects Final Four Site Candidates for Asteroid Sample Return
Twenty-five years ago, humanity first witnessed a collision between a comet and a planet.
How Historic Jupiter Comet Impact Led to Planetary Defense
NASA has selected eight new research teams to collaborate on research into the intersection of space science and human space exploration as part of the Solar System Exploration Research Virtual Institute (SSERVI).
NASA Selects Teams to Study Our Moon, Mars' Moons, and More
NASA has selected three finalists among a dozen concepts for future small satellites.
Small Satellite Concept Finalists Target Moon, Mars and Beyond
After nearly 16 years of exploring the cosmos in infrared light, NASA's Spitzer Space Telescope will be switched off permanently on Jan. 30, 2020.
How NASA's Spitzer Has Stayed Alive for So Long
Scientists have solved the mystery of how Ceres’ gigantic volcanic dome, Ahuna Mons, was formed.
Scientists Solve Mystery of Ceres' Lonely Mountain
DART – NASA’s first mission to demonstrate a planetary defense technique – will get one chance to hit its target, the small moonlet in the binary asteroid system Didymos.
NASA's First Planetary Defense Technology Demonstration to Collide with Asteroid in 2022
On April 13, 2029, asteroid Apophis will cruise harmlessly by Earth at distance of about 19,000 miles (31,000 kilometers). Scientists are already planning observations and science opportunities for the event.
Scientists Planning Now for Asteroid Flyby a Decade Away