Alejandro Soto • June 16, 2017
A team of scientists recently traveled to rural Argentina in the hopes of catching New Horizons' next target—Kuiper Belt object MU 69—crossing in front of a distant star.
Adam Block • May 25, 2017
Award-winning astrophotographer Adam Block brings us more of his stunning images of the universe—this time of cosmic dances through space.
Adam Block • May 05, 2017
Astrophotographer Adam Block captures 46 geostationary satellites, plus some unnamed stragglers, in one 10-frame image mosaic.
Jake Rosenthal • December 28, 2016
Jake Rosenthal takes us on a tour of the history of discovery of our place in the cosmos.
Emily Lakdawalla • September 14, 2016
The astronomy world is abuzz today because of ESA's announcement of the first release of data from the Gaia mission. Gaia is a five-year mission that will eventually measure the positions and motions of billions of stars; this first data release includes positions for 1.1 billion of them, and proper motions for 2 million.
CaLisa Lee • August 08, 2016
On August 25th, 2016, the U.S. National Park Service is celebrating its Centennial. That’s 100 years of protecting the lands and the night skies so that people from around the world and all walks of life can come and see the stars!
Adam Block • July 31, 2015
Award-winning astrophotographer Adam Block presents the first-ever high-resolution color images of the "star stream halo" of the spiral galaxy NGC 4414.
Aomawa Shields • February 07, 2015
Aomawa Shields discusses a workshop she designed for underrepresented girls in grades 6-8 that will teach key concepts in astronomy, highlighting what is beyond what we can see with our eyes, using nontraditional methods.
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.
Adam Block • January 14, 2015
Astrophotographer Adam Block showcases some stunning images of lesser-known galaxies and nebulae.
Adam Block • December 23, 2014
Astrophotographer Adam Block shares four stunning images capturing the expansiveness of the universe.
Adam Block • December 12, 2014
Award-winning astrophotographer Adam Block shares his haunting images of three different types of nebulae.
Amir Alexander • August 29, 2014
Amir Alexander reviews Alan Hirshfeld's newest book, "Starlight Detectives: How Astronomers, Inventors, and Eccentrics Discovered the Modern Universe."
Adam Block • July 25, 2014
Astrophotographer Adam Block shares two recent images of star clusters, along with a pair of depth perception-defying galaxies.
Adam Block • July 02, 2014
Award-winning astrophotographer Adam Block showcases some of his stunning images of what happens when galaxies get a little too close to each other.
Adam Block • June 06, 2014
Award-winning astrophotographer Adam Block shares some of his recent work.
Philip Evans • May 28, 2014
The Twittersphere has been alive with speculation about a Gamma Ray Burst in the nearby galaxy M31. The problem is, there was never a claim of such an event, and it turns out that the tentative result that triggered this story was overstated.
Bruce Betts • May 19, 2014
Bruce Betts has completed the lectures for his online 2014 Introduction to Planetary Science and Astronomy Course at CSUDH: all are online and you can earn a Certificate of Achievement for watching them.
Katherine Mack • May 14, 2014
Everyone loves a good mystery. In astronomy, there is nothing more exciting than an unexplained signal.
Mat Kaplan • May 08, 2014
Watch another universe unfold as simulated by Illustris, using a model that required 8,000 processors running in parallels 3 months to create!
Become a member of The Planetary Society and together we will create the future of space exploration.
LightSail 2 will launch aboard the SpaceX Falcon Heavy. Be part of this epic point in space exploration history!