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

News brief: OSIRIS-REx finds water on Bennu

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.

Heiligenschein Throughout the Solar System

When planetary scientist Brittney Cooper was scrolling through the downlinked images of Hayabusa2’s approach of asteroid Ryugu, a familiar sight caught her attention.

MASCOT landing on Ryugu a success

For 17 hours on 3 October, the Mobile Asteroid Surface Scout (MASCOT) lander sent data to the waiting Hayabusa2 orbiter from multiple locations on Ryugu.

NASA Then & Now

A collection of before and after slider images showing how views of planets in our solar system have changed over the years since NASA was created.

Hayabusa2 stops short of close approach on first touchdown rehearsal

Hayabusa2 didn’t quite make it down to its intended 60-meter distance from asteroid Ryugu yesterday. There is nothing wrong with the spacecraft; it’s healthy and returning to its home position. The team will adjust parameters and give it another try in the future.

Dawn Journal: A Bit of Perspective

Like its human colleagues, Dawn started out on Earth, but now its permanent residence in the solar system, Ceres, is far, far away. Let's bring this cosmic landscape into perspective.

Dawn Journal: Denouement

A fantastic story of adventure, exploration and discovery is reaching its denouement. In the final phase of its long and productive deep-space mission, Dawn is operating flawlessly in orbit around dwarf planet Ceres.

A second successful medium-altitude operation for Hayabusa2

For the second time, JAXA navigators have zoomed their cameras and other instruments in on asteroid Ryugu. The August 1 operation was quicker than the previous one, requiring only 26 hours for the descent, science, and ascent.

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