Can a used rocket fly? Video + a few technical details at https://t.co/8JUKBLg8fi  https://t.co/JWpi3yGDWq

Impressive launch and @SpaceX will soon make Falcon 9 landings routine – so good for space! Kudos SpaceX!

Believe me, if you’re ever tossed in a foreign prison, you want Fred Ryan and Marty Baron on the team working to get you out. #JasonIsFree

Wheels up and out of Iranian airspace! Jason, Yegi, and Mary aboard. Doug Jehl and Ali Rezaian worked tirelessly on this. #JasonIsFree

Grail: Risky, but if works, big breakthrough in broad spectrum EARLY cancer detection. Brilliant scientists. https://t.co/CmGslKGLOV

Congrats @SpaceX on landing Falcon's suborbital booster stage.  Welcome to the club!

Finally trashed by @realDonaldTrump. Will still reserve him a seat on the Blue Origin rocket. #sendDonaldtospace https://t.co/9OypFoxZk3

What 400 very happy rocket scientists look like. https://t.co/FwrZHuB8RD

Breakthrough Energy Coalition. When in a box, only way out is to invent your way out. Thx to @BillGates for pulling this together.

The rarest of beasts - a used rocket. Controlled landing not easy, but done right, can look easy. Check out video: https://t.co/9OypFoxZk3

Uniting to Combat Neglected Tropical Diseases
Statue of Liberty-Ellis Island Foundation