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Plus a high-res map of Bennu, a virtual space party, and more
2 March 2020
Learn why and how we study exoplanets, and how you can get involved.
Scientists are searching for 100 Earth-like planets around other stars, and you can help.
Swapna Krishna ● 12 March 2020
The habitable zone is the not-too-hot, not-too-cold region around a star where liquid water can exist.
Emily Lakdawalla ● 2 March 2020
Lava worlds. Hot Jupiters. Earth 2.0 candidates. Here's a rundown of some notable exoplanets.
Emily Lakdawalla & Staff ● 2 March 2020
Some methods almost sound like science fiction: Using gravity as a magnifying glass, watching stars wobble at turtle-like speeds, and searching for tiny dips in starlight.
WFIRST, NASA's Wide Field Infrared Survey Telescope, is the next step in our hunt for Earth-sized exoplanets.
• June 14, 2015
Tonight, for the first time, I glimpsed our spacecraft with my own eyes. It was just the faintest pinprick against the bright lights of the big city. But, there it was right on time and exactly per the coordinates.
• June 12, 2015
LightSail’s brief stay in orbit is almost over. Here are a few photos and videos of the spacecraft from observers around the world.
• June 10, 2015
With the team still trying to download an image from LightSail's second camera, Emily Lakdawalla processed a partial image from the first camera that contains a slice of Earth.
• June 09, 2015
The Planetary Society’s LightSail test mission successfully completed its primary objective of deploying a solar sail in low-Earth orbit.
• June 08, 2015
It’s official: The sails are out. This afternoon, LightSail mission controllers downlinked a partial image of the spacecraft’s solar sails in space.
• June 07, 2015
LightSail's tiny solar sail deployment motor sprung to life Sunday afternoon, marking an important milestone for The Planetary Society’s nail-biting test mission.
• June 06, 2015
LightSail is back in business, following the second extended outage of the test spacecraft’s mission. The CubeSat checked in at 2:21 p.m. EDT Saturday.
• June 04, 2015
The LightSail test spacecraft fell silent for a second time, less than a day after completing what appeared to be a successful solar panel deployment.
• June 03, 2015
LightSail didn’t send home pretty pictures of Earth today, but it did relay promising signs that its deployable solar panels swung successfully out into space.
• June 02, 2015
LightSail Mission Managers have decided to split the spacecraft’s sail deployment sequence into two segments, following an extended checkout period that wrapped up Tuesday.
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