Explore Worlds
Find Life
Defend Earth
All
All
Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
Here's how engineers closed out LightSail 2 for flight
The Planetary Society's LightSail 2 spacecraft is in a flight-ready state, marking a major milestone for the program.
Is There Anybody out There?
The Planetary Society has supported SETI, the search for extraterrestrial intelligence, practically since our founding in 1980. Learn the past, present, and future of SETI.
Planetary Society-funded telescopes help find ring around Haumea, a distant dwarf planet
Haumea has a ring! Two telescopes used in the discovery—one in Slovenia, and one in Italy—received funding from The Planetary Society's Shoemaker Near Earth Object (NEO) Grant program, which helps amateur astronomers find, track and characterize near-Earth asteroids.
We choose to go to the Moon and do the other things
Vice President Mike Pence kicked off the National Space Council's first meeting today by declaring Americans will return to the Moon. Casey Dreier and Jason Davis analyze this new direction for NASA's human spaceflight program.
SpaceX CEO Elon Musk updates Mars colonization plans
SpaceX CEO Elon Musk presented an updated version of his Mars colonization plans today, during a widely anticipated talk at the 68th International Astronautical Congress in Adelaide, Australia.
Review: 'Discovery' is a bold, new addition to the Star Trek franchise
In a review of Star Trek: Discovery, Jason Davis says he expected Discovery to be a cross between Enterprise and the new reboot movies. Instead, the show turned out to be something else entirely.
Meet two astronaut candidates who can help NASA do science on other worlds
Two of NASA's new astronaut candidates are particularly suited to conduct scientific research on other worlds: Zena Cardman, a geobiologist, and Jessica Watkins, a geologist.
And then there was one
The end of the Cassini mission is a harbinger for a looming gap in outer planets exploration missions.
Your guide to Jim Bridenstine, the new nominee for NASA administrator
The White House announced it will nominate Jim Bridenstine to become NASA's next administrator.
NASA considers kicking Mars sample return into high gear
Thus far, no plan has solidified on how to get soil and rock samples from the upcoming Mars 2020 rover back to Earth. That is starting to change.
A good time for solar sailing: LightSail 2 finds itself among friends
Is the quest for flight by light approaching a tipping point? Representatives from the NEA Scout, CubeSail and StarChip missions discuss how their spacecraft are advancing the art of solar sailing.
Function over form: NASA's Space Launch System gets a new paint job
Last week, NASA revealed an updated design for the Space Launch System, featuring black-and-white checkerboards streaking down each of the vehicle's solid rocket boosters.
LightSail 2 updates: Prox-1 mission changes, new launch date
LightSail 2 and Prox-1 are expected to launch aboard a SpaceX Falcon Heavy no earlier than April 30, 2018.
Congress gives NASA's planetary science division some love (and a Mars orbiter)
The House of Representatives proposed $2.1 billion for NASA's planetary science budget, which would be an all-time high. Part of the increase would be used to start work on a new reconnaissance and communications orbiter.
Meet Scott Pace, the National Space Council's new executive secretary
Pace will help develop policies that affect the future of NASA. Here's a guide to this influential new member of the Trump administration.
Back to Mercury! Europe and Japan's BepiColombo mission moves closer to launch
Next year, a pair of probes head to Mercury to answer outstanding questions about our innermost planet, as well as the formation of the solar system.
President Trump formed a national space council. Now it needs a NASA administrator
Tomorrow, NASA acting administrator Robert Lightfoot will have served longer than any other temporary head of NASA without having a successor nominated to fill the position.
Revisiting the ice giants: NASA study considers Uranus and Neptune missions
Only one spacecraft has ever visited Uranus and Neptune: Voyager 2, in the late 1980s. A new NASA report explores the reasons to go back, and what type of mission might take us there.
Did a Planetary Society citizen scientist help find one of Earth’s biggest impact craters?
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?
Despite setbacks, SpaceX continues to gain momentum
SpaceX lost rockets in both 2015 and 2016. But an analysis of Falcon 9 launch data shows the company continues to gain momentum, while making giant strides forward in reusability.