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Stories, updates, insights, and original analysis from The Planetary Society.

Planetary Society Grant Winner Discovers Large Near-Earth Asteroid

The kilometer-wide object won't hit Earth, but would cause global-scale devastation if it did.

A devil on Mars and defenders of Earth

From dust devils and craters on the Martian surface to spots on the Sun, we’re taking a look at everything new and exciting in space science and exploration this week.

Looking up at bright planets, asteroids, and burning trash

Get an update on the latest in space exploration, and find out how you can help defend the Earth from asteroid impacts.

Asteroids, asteroids, asteroids!

Gear up for Asteroid Day on 30 June, explore the latest issue of The Planetary Report, and get your fill of space news for the week.

How the European Space Agency Does Planetary Defense

Defending the planet from the hazard of potential asteroid impacts requires investments from the whole world. In Europe, the European Space Agency (ESA) and the European Union both support work to understand and mitigate the threats from near-Earth objects.

How NASA's Planetary Defense Budget Grew By More Than 4000% in 10 years

NASA used to spend more on travel for its employees at headquarters than it did on finding dangerous near-Earth asteroids. Now it’s building asteroid-hunting space telescopes. What changed?

NASA to Build New Asteroid-Hunting Space Telescope

The yet-to-be-named telescope would launch as soon as 2024, as part of NASA's new, multi-pronged approach to planetary defense.

The September Equinox 2019 Issue of The Planetary Report Is Out!

A new issue of The Planetary Report brings you our pride in the success of LightSail 2 and our gratitude to our members for making it happen. Plus Venus science from Akatsuki and Venus Express, and the status of planetary defense.

The State of Planetary Defense

Vishnu Reddy delivers a sober but hopeful report on our understanding of near-Earth objects, their dangers, and our readiness.

Flying By Home

Vicky Hamilton explores how OSIRIS-REx used its Earth flyby to test instruments on the way to asteroid Bennu.

Asteroids have been hitting the Earth for billions of years. In 2022, we hit back.

DART is a test of the kinetic impactor technique, a potential method to deflect an asteroid on course to impact the Earth.

Let's check in on The Planetary Society's asteroid hunters

The Shoemaker NEO Grant program funds advanced amateur astronomers who help determine if nearby asteroids will hit Earth. Here are some collected reports from our asteroid hunters.

Will an Asteroid Hit Earth? Your Questions Answered.

The Planetary Society presents a list of Frequent Asteroid Questions (FAQs).

New report explores threat from near-Earth asteroids

How dangerous are near-Earth asteroids, and what will we do if we find one headed toward Earth?

Announcing the 2018 Shoemaker NEO Grant Winners

Seven very advanced amateur astronomers will help find, track, and characterize near Earth asteroids.

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.

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?

Our asteroid hunters are trying to save the world. Here’s what they’ve been up to

Here are some recent reports from our NEO Shoemaker Grant program asteroid observers, who are quite literally trying to save the world.

Proposals to Explore the Solar System’s Smallest Worlds

Van Kane rounds up some of the latest NASA Discovery mission proposals aiming to explore our solar system's smallest bodies.

Five steps to prevent asteroid impacts

For Asteroid Day, Bruce Betts reviews 5 steps needed to prevent asteroid impacts, as well as how The Planetary Society is involved in those.

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