Help Shape the Future of Space Exploration

Join The Planetary Society Now  arrow.png

Join our eNewsletter for updates & action alerts

    Please leave this field empty
Brian O'Leary

Brian O'Leary

Brian Todd O'Leary was an American scientist, author, and former NASA astronaut. He was a member of the sixth group of astronauts selected by NASA in August 1967. O'Leary was also a member of the Mariner 10 Venus-Mercury TV Science Team, and a professor at Cornell University, the University of California Berkeley, Hampshire College, and Princeton University. He passed away in 2011.

Facebook Twitter Email RSS AddThis

Help Us Go Farther

The Planetary Fund

Help us accelerate progress in our four core enterprises: Robotic Space Exploration, Human Space Exploration, Planetary Defense, and The Search for Life.

Donate

Featured Video

The Planetary Post - 2016: A Magnificent Year for Space Exploration

Watch Now

Space in Images

Pretty pictures and
awe-inspiring science.

See More

Join The Planetary Society

Let’s explore the cosmos together!

Become a Member

Connect With Us

Facebook, Twitter, YouTube and more…
Continue the conversation with our online community!