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Our journalists and guest bloggers bring you stunning imagery and the space stories that matter most.

LPSC 2016: Differentiated meteorites provide a glimpse of the early solar system and planets

Helen Ashcroft • April 11, 2016 • 2

This year's Lunar and Planetary Science Conference included a session devoted to a group of rocks from space called differentiated meteorites, and their proposed parent bodies.

Favorite Astro Plots #2: Condensation of the solar system

Emily Lakdawalla • October 14, 2015 • 2

Behold: the story of how our solar system began, in one chart. This is the second installment in a series of planetary scientists' favorite plots. Today's #FaveAstroPlot was suggested by spectroscopist Michael Bramble.

Forensic Ballistics: How Apollo 12 Helped Solve the Skydiver Meteorite Mystery

Philip Metzger • April 21, 2014 • 7

What can a 45-year-old mission to the Moon tell us about a "meteorite" flying past a skydiver on Earth?

Intro Astronomy Class 7: Near Earth Asteroids and the Jupiter System

Bruce Betts • March 21, 2014

Examine the threat of near Earth asteroids and begin exploring the Jupiter System in this video of class 7 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Intro Astronomy Class 6: Mars (continued) and Asteroids

Bruce Betts • March 14, 2014

Continue exploring Mars and learn about asteroids in this video of class 6 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Planetary Defense Conference 2013 Part 2

Bruce Betts • May 29, 2013

Second part of a three part wrap up to April's Planetary Defense Conference: a report on Planetary Shoemaker NEO Grant related activities and people at the Planetary Defense Conference 2013

Planetary Defense Conference 2013 Part 1

Bruce Betts • May 24, 2013 • 2

First part of a 3 part wrap up to April's Planetary Defense Conference: a very brief review of the status of research in asteroid threat related fields based on the conference, report on special activities at the conference, and links to video and audio related to the conference.

An Amazing Evening for Planetary Defense

Mat Kaplan • April 23, 2013 • 1

Bill Nye, Bruce Betts, Mat Kaplan, Meteorite Man Geoffrey Notkin and stars of planetary science at the Planetary Defense Conference public event in Flagstaff.

LPSC 2013: Do we have a meteorite from Mercury?

Emily Lakdawalla • March 21, 2013 • 8

Before yesterday, my answer to this question would be "no." Now my answer is "probably." But it's not clear if we know which of the meteorites in our collections is from the innermost planet.

What We Know About the Russian Meteor Event [UPDATED]

Heidi Hammel • February 15, 2013 • 22

Preliminary estimates show that the meteoroid was 15 meters wide and weighed roughly 8000 tons. The resulting airburst would have the equivalent yield of about a 1/2 megaton explosion.

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