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How the European Space Agency Does Planetary Defense

Detlef Koschny • September 27, 2019

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

Casey Dreier • September 26, 2019 • 3

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?

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

Emily Lakdawalla • September 03, 2019

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

The Planetary Report • September Solstice 2019

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

Here's How the Large Synoptic Survey Telescope will Revolutionize Small-Body Science

Darin Ragozzine • August 26, 2019 • 1

The LSST is expected to increase the number of known small bodies by more than a factor of 10.

What to expect when Hayabusa2 collects a sample from Ryugu

Jason Davis • February 19, 2019

More than 4 years after launch and a half year surveying asteroid Ryugu, Japan's Hayabusa2 spacecraft is ready for sample collection.

News brief: OSIRIS-REx finds water on Bennu

Jason Davis • December 10, 2018 • 4

OSIRIS-REx team members held a press briefing today at the 2018 American Geophysical Union meeting, and announced that the mission has already found water on asteroid Bennu.

Planetary Society asteroid hunters help find rare type of double asteroid

Jason Davis • July 24, 2018 • 7

A global team of astronomers has found a rare type of asteroid, where two equal-mass objects circle each other in a never-ending dance as they hurtle through the solar system.

Announcing the 2018 Shoemaker NEO Grant Winners

Bruce Betts • March 12, 2018

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

Hayabusa2 has detected Ryugu!

Emily Lakdawalla • March 01, 2018 • 1

In a milestone for the mission, JAXA's Hayabusa2 sample return spacecraft has sighted its destination, asteroid Ryugu.

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