Asteroids and Comets News


Mission Press Releases

  • Asteroid Day to Announce Increased Global Support and Preview 2017 Events at February 14 Press Conference
    Asteroid Day - Wednesday, February 8, 2017
    Posted on: 2/9/2017 1:19:19 AM PDT

  • Rare meteorites challenge our understanding of the solar system
    Lund University - Monday, January 23, 2017
    Posted on: 1/23/2017 9:51:35 PM PDT

  • SwRI to lead NASA's Lucy mission to Jupiter's Trojans
    Southwest Research Institute - Wednesday, January 4, 2017
    Posted on: 1/4/2017 11:47:53 PM PDT

  • ASU Spectrometer to Fly on New Nasa Mission to Distant 'Trojan' Asteroids
    Arizona State University - Wednesday, January 4, 2017
    Posted on: 1/4/2017 11:46:44 PM PDT

  • ASU to Lead NASA Space Exploration Mission for First Time
    Arizona State University - Wednesday, January 4, 2017
    Posted on: 1/4/2017 11:45:46 PM PDT

  • NASA Selects Two Missions to Explore the Early Solar System
    NASA HQ - Wednesday, January 4, 2017
    Posted on: 1/4/2017 6:26:45 PM PDT

  • Ice Is Everywhere on the Dwarf Planet Ceres
    University of Hawaii - Thursday, December 15, 2016
    Posted on: 12/15/2016 11:36:35 PM PDT

  • Subsurface Water Shaped Dwarf Planet Ceres
    Planetary Science Institute - Thursday, December 15, 2016
    Posted on: 12/15/2016 6:36:58 PM PDT

  • Searching for Trojan Asteroids, Earth's Unseen Companions
    University of Arizona - Thursday, December 15, 2016
    Posted on: 12/15/2016 6:04:41 PM PDT

  • United Nations General Assembly proclaims 30 June as International Asteroid Day
    United Nations Office for Outer Space Affairs - Wednesday, December 7, 2016
    Posted on: 12/7/2016 7:53:35 PM PDT

  • Worldwide Help Sought For Comet Study Effort
    Planetary Science Institute - Tuesday, November 22, 2016
    Posted on: 11/23/2016 1:29:12 AM PDT

  • 100 Scientists Sign Open Letter to Support Asteroid Impact Mission
    I Support AIM - Monday, November 14, 2016
    Posted on: 11/14/2016 1:55:28 PM PDT

  • NASA and FEMA Conduct Asteroid Impact Emergency Planning Exercise
    Jet Propulsion Laboratory - Friday, November 4, 2016
    Posted on: 11/4/2016 5:56:17 PM PDT

  • Unexpected Discoveries on a Metal World
    University of Arizona - Friday, October 21, 2016
    Posted on: 10/21/2016 6:03:15 PM PDT

  • Avalanches, Not Internal Pressure, Cause Comet Nuclei Outbursts
    Planetary Science Institute - Monday, October 17, 2016
    Posted on: 10/17/2016 9:29:11 PM PDT

  • Rosetta space mission ends: Queen’s comet expert reflects on successes
    Queens University Belfast - Thursday, September 29, 2016
    Posted on: 9/29/2016 4:12:13 PM PDT

  • Mark Thiemens Awarded Prestigious Meteoritical Society Medal
    University of California San Diego - Saturday, August 13, 2016
    Posted on: 8/13/2016 3:24:46 PM PDT

  • New methodology provides better size estimates of meteorite impact craters
    Western University - Friday, August 5, 2016
    Posted on: 8/5/2016 8:06:46 PM PDT

  • SwRI-led study shows puzzling paucity of large craters on dwarf planet Ceres
    Southwest Research Institute - Tuesday, July 26, 2016
    Posted on: 7/26/2016 5:05:00 PM PDT

  • Slooh: Celebrate World Asteroid Day with Live Show, Expert Guests
    SLOOH - Wednesday, June 29, 2016
    Posted on: 6/29/2016 10:10:48 PM PDT

  • Mission Status Releases

  • Ground-based Characterization of Hayabusa2 Mission Target Asteroid 162173 Ryugu
    arXiv.org e-Print archive - December 4, 2017
    Posted on: 12/4/2017 5:32:45 PM PDT

  • 1I/'Oumuamua is tumbling
    arXiv.org e-Print archive - November 30, 2017
    Posted on: 12/1/2017 3:07:30 AM PDT

  • On the dynamical history of the recently discovered interstellar object A/2017 U1 - where does it come from?
    arXiv.org e-Print archive - November 28, 2017
    Posted on: 11/28/2017 11:21:34 PM PDT

  • Project Lyra: Sending a Spacecraft to 1I/'Oumuamua (former A/2017 U1), the Interstellar Asteroid
    arXiv.org e-Print archive - November 28, 2017
    Posted on: 11/28/2017 11:13:22 PM PDT

  • A general method for assessing the origin of interstellar small bodies: the case of 1I/2017 U1 (Oumuamua)
    arXiv.org e-Print archive - November 28, 2017
    Posted on: 11/28/2017 4:58:39 PM PDT

  • Implications of the interstellar object 1I/'Oumuamua for planetary dynamics and planetesimal formation
    arXiv.org e-Print archive - November 28, 2017
    Posted on: 11/28/2017 4:57:52 PM PDT

  • `Oumuamua as a messenger from the Local Association
    arXiv.org e-Print archive - November 27, 2017
    Posted on: 11/27/2017 6:21:15 PM PDT

  • Col-OSSOS: Colors of the Interstellar Planetesimal 1I/2017 U1 in Context with the Solar System
    arXiv.org e-Print archive - November 16, 2017
    Posted on: 11/17/2017 2:51:21 AM PDT

  • APO Time Resolved Color Photometry of Highly-Elongated Interstellar Object 1I/'Oumuamua
    arXiv.org e-Print archive - November 15, 2017
    Posted on: 11/15/2017 3:51:39 PM PDT

  • Dynamical Origin and Terrestrial Impact Flux of Large Near-Earth Asteroids
    arXiv.org e-Print archive - November 15, 2017
    Posted on: 11/15/2017 3:49:46 PM PDT

  • The origin of interstellar asteroidal objects like 1I/2017 U1
    arXiv.org e-Print archive - November 13, 2017
    Posted on: 11/14/2017 2:15:47 AM PDT

  • 280 one-opposition near-Earth asteroids recovered by the EURONEAR with the Isaac Newton Telescope
    arXiv.org e-Print archive - November 9, 2017
    Posted on: 11/9/2017 5:59:45 PM PDT

  • On the Consequences of the Detection of an Interstellar Asteroid
    arXiv.org e-Print archive - November 9, 2017
    Posted on: 11/9/2017 5:55:02 PM PDT

  • 1I/'Oumuamua is Hot: Imaging, Spectroscopy and Search of Meteor Activity
    arXiv.org e-Print archive - November 9, 2017
    Posted on: 11/9/2017 5:54:01 PM PDT

  • The rotation period and shape of the hyperbolic asteroid A/2017 U1 from its lightcurve
    arXiv.org e-Print archive - November 6, 2017
    Posted on: 11/7/2017 1:35:41 AM PDT

  • Kinematics of the Interstellar Vagabond A/2017U1
    arXiv.org e-Print archive - October 31, 2017
    Posted on: 11/1/2017 12:52:08 AM PDT

  • CASTAway: An Asteroid Main Belt Tour and Survey
    arXiv.org e-Print archive - October 30, 2017
    Posted on: 10/30/2017 4:09:02 PM PDT

  • Palomar Optical Spectrum of Hyperbolic Near-Earth Object A/2017 U1
    arXiv.org e-Print archive - October 29, 2017
    Posted on: 10/30/2017 12:35:34 AM PDT

  • Formation of comet 67P/Churyumov-Gerasimenko through gravitational collapse of a clump of pebbles
    arXiv.org e-Print archive - October 24, 2017
    Posted on: 10/24/2017 4:46:07 PM PDT

  • The observing campaign on the deep-space debris WT1190F as a test case for short-warning NEO impacts
    arXiv.org e-Print archive - October 23, 2017
    Posted on: 10/24/2017 12:49:50 AM PDT