Join Donate

Blog Archive

 

Did a Planetary Society citizen scientist help find one of Earth’s biggest impact craters?

Jason Davis • June 12, 2017

Scientists have found what appears to be a 250-kilometer-wide crater near the Falkland Islands. Is it ground zero for Earth's largest-ever extinction event?

Microbes exist deep inside Earth’s craters. Could this be the secret to finding life on other worlds?

Bryan J. Rodriguez-Colon • February 06, 2017

Earth possesses amazing biological diversity. Every corner of this planet—no matter how bizarre the place—is inhabited by microorganisms. This includes impact craters.

Planetary discovery over the past quarter century

Steven Hauck • December 20, 2016

2016 marks the 25th anniversary of the creation of what has become one of the primary venues for the publication of research in planetary science: the Journal of Geophysical Research: Planets. This occasion is a good opportunity to look back at what we have learned in this era of expanded exploration and to try to take a peek at the future.

Favorite Astro Plots #3: The rate of lunar cratering

Emily Lakdawalla • November 30, 2015

The third entry in my series of blog posts about Favorite Astro Plots contains one of the biggest discoveries from the Apollo program -- as well as one of the biggest questions in planetary science. The chart was nominated by planetary scientist Barbara Cohen. It has to do with the ages of surfaces on the Moon.

The Lunar Chronology: What Happens When Science Does Its Thing

Stuart Robbins • April 01, 2015

Scientist Stuart Robbins discusses dating the lunar surface is using impact craters.

Take My Free Online College Introduction to Planetary Science and Astronomy CSUDH Class

Bruce Betts • February 04, 2015

Our own Dr. Bruce Betts is once again teaching his Introduction to Planetary Science and Astronomy college course online. Come join him.

Lunar Reconnaissance Orbiter's Ongoing Adventure

Samuel Lawrence • May 29, 2014

A few people think that when it comes to the Moon, because we’ve “been there, and done that,” there is nothing new left to discover. But that viewpoint could not be farther from the truth!

Intro Astronomy Class 9: Titan, Uranus and Neptune Systems

Bruce Betts • April 11, 2014

Examine Saturn's moon Titan and explore the Uranian and Neptunian systems in this video of class 9 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Intro Astronomy 2014. Class 8: Icy Galilean Satellites, Saturn System

Bruce Betts • April 11, 2014

Explore the icy moons of the Jupiter System and tour the Saturnian system in this video of class 8 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Fireworks in the Earth's Sky Sent from the Moon: Reflections from LPSC 2014

Deepak Dhingra • April 03, 2014

Deepak Dhingra reports on presentations from this year's Lunar and Planetary Science Conference focusing on how impacts on the Moon have affected 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.

Intro Astronomy Class 5: Venus (continued) and Mars

Bruce Betts • March 06, 2014

Continue exploring Venus and begin looking at Mars in this video of class 5 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Hypervelocity Cratering and Riding Out the Risk

ESA Mars Express Team • March 06, 2014

Today's update from the Mars Express team contains the realisation that, for some of the risks associated with October's Siding Spring flyby, there may not be much the team can do.

Intro Astronomy Class 4: Eclipses, Mercury, Venus-Earth-Mars Atmospheres, Venus

Bruce Betts • February 28, 2014

This video of class 4 of Bruce Betts' Introduction to Planetary Science and Astronomy class discusses eclipses, Mercury, Venus, and a comparison of the atmospheres of Venus, Earth, and Mars.

Pretty pictures of terraced craters on Mars

Emily Lakdawalla • February 27, 2014

Check out this unusual crater on Mars. It's not a very big one, less than 500 meters in diameter, and yet it has two rings. Most craters on Mars this size are simple bowl shapes. What's going on here?

Intro Astronomy Class 1: Tour of the Solar System

Bruce Betts • February 11, 2014

Take a tour of the Solar System in the video of class 1 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Take My Free Online College Introduction to Planetary Science and Astronomy CSUDH Class

Bruce Betts • February 05, 2014

Our own Dr. Bruce Betts is once again teaching his Introduction to Planetary Science and Astronomy college course online. Come join him.

Dating the Moon's basins

Emily Lakdawalla • September 26, 2013

A paper in press in the Journal of Geophysical Research uses new data from Lunar Reconnaissance Orbiter to update our story for the history of the Moon's massive impacts.

Saving the Planet can be Exciting!

Mat Kaplan • May 07, 2013

Planetary Radio for the week of May 6 visits the Planetary Defense Conference one last time to join a "tabletop" simulation of a killer asteroid threat.

Items 1 - 20 of 39  12Next
astronaut on Phobos
Let's Change the World

Become a member of The Planetary Society and together we will create the future of space exploration.

Join Today

Europa
The Planetary Fund

Help advance robotic and human space exploration, defend our planet, and search for life.

Donate

You are here: