Comets/Asteroids

Credit: NASA/Goddard/University of Arizona/Lockheed Martin Shortly after NASA's OSIRIS-REx spacecraft arrived at asteroid Bennu, an unexpected discovery by the mission's science team revealed that the asteroid could be active, or…

Credit: NASA/Goddard/University of Arizona NASA's OSIRIS-REx mission is just days away from selecting the site where the spacecraft will snag a sample from asteroid Bennu. After a lengthy and challenging process, the team is…

Close encounter with sun's corona reveals switchbacks that may accelerate wind particlesCredit: NASA/Johns Hopkins APL A year ago, NASA's Parker Solar Probe flew closer to the sun than any satellite in history, collecting a spectacular…

Data from NASA's Transiting Exoplanet Survey Satellite (TESS) reveal start-to-finish sequence of an outburst from comet 46P/WirtanenCredit: Farnham et al./NASA University of Maryland astronomers have made the most complete and detailed…

This animation shows an explosive outburst of dust, ice and gases from comet 46P/Wirtanen that occurred on September 26, 2018 and dissipated over the next 20 days. The images, from... view more  Using data from NASA's Transiting…

Research could help predict when New Horizons spacecraft will cross the termination shockCredit: Figure courtesy of Southwest Research Institute; background artist rendering by NASA and Adler Planetarium SAN ANTONIO -- December 2,…

Credit: Kobe University Analysis of the impact craters on Ryugu using the spacecraft Hayabusa 2's remote sensing image data has illuminated the geological history of the Near-Earth asteroid. A research group led by Assistant…

Award recognizes international space achievement for New Horizons' exploration of Pluto and Kuiper Belt object Arrokoth SAN ANTONIO -- Nov. 25, 2019 -- The team that captivated the world with its exploration of Pluto and the Kuiper Belt…

Wolfe Creek Crater, one of the world's largest meteorite craters, is much younger than previously thought. Wolfe Creek Crater is situated on the edge of the Great Sandy Desert in northern Western Australia. It is the second largest…

Credit: NASA's Goddard Space Flight Center LISA Pathfinder, a mission led by ESA (the European Space Agency) that included NASA contributions, successfully demonstrated technologies needed to build a future space-based…