Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronauts Suni ...

Astronaut Kjell Lindgren spent close to five months on the International Space Station last year serving as a NASA flight engineer and mission specialist. He still remembers the first time he saw ...

Astronauts Butch Wilmore and Suni Williams will conduct a spacewalk outside the International Space Station to swab the ...

An Astronaut's Guide to Mission Wonder and Making Change. Coleman offers personal stories ranging from hunting meteorites in Antarctica to a six-month mission in space (and the only woman onboard).

Being able to tour the country, with a special show like The Quest To Explore Space, where I can share just a small taste of what I experienced as an astronaut. Read more: Decision to end lollypop ...

British astronaut Tim Peake will bring the awe and wonder of space travel past, present and future to Fareham when his latest tour blasts off across the country. Astronauts: The Quest To Explore ...

British astronaut Tim Peake will bring the awe and wonder of space travel past, present and future to Fareham when his latest tour blasts off.

Dr. Cady Coleman is a retired NASA astronaut and the author of Sharing Space: An Astronaut’s Guide to Mission, Wonder, and Making Change. She’s based in Shelburne Falls, Massachusetts. FLORA LICHTMAN: ...