The book cover to "An Astronaut's Guide To Life On Earth."
Little, Brown and Company

Astronaut Chris Hadfield was first inspired to pursue a career in space travel at 9 years old after watching the Apollo 11 Moon landing on television. The desire to explore space led him to the Royal Canadian Air Cadets, the Canadian Armed Forces and eventually to National Aeronautics and Space Administration (NASA).

NASA's unmanned Orion spacecraft has successfully splashed down about 400 miles west of La Paz, Mexico, in the Pacific Ocean after a liftoff, two orbits and re-entry that lasted just under 4 1/2 hours.

Orion, which could one day take astronauts to Mars, made a "bull's-eye splashdown" at 11:29 a.m. ET, mission control said, after the spacecraft endured a searing 4,000-degree Fahrenheit re-entry and was carried to the ocean surface under four giant red-and-white parachutes.

Hundreds of millions of miles from Earth, a man-made object was flung at a comet Wednesday — and now it's sticking to the rock as it hurtles through space.

"We are on the comet," Stephan Ulamec, Philae Lander Manager, announced Wednesday, marking a historic achievement.

Eric Mennel

My dog. Hands down - that's the picture I'm sending to Mars. No questions asked.

There's a group of students at Duke who are trying to give me the opportunity for about $1. Time Capsule To Mars is a several-years-long project that is crowdfunding to cover much of the cost of sending a satellite time capsule to the Red Planet.

For now, they're accepting picture uploads. But they plan to expand all sorts of media.

Ed White performs the first U.S. spacewalk. White floats in space with astronaut suit and attached to the shuttle by a cord. Earth is in the background. / Review of U.S. Human Space Flight Plans Committee

Scientists say in space you cannot hear a sound. But for decades, filmmakers have tried to create the sounds of space. And perhaps they’re onto something. Asheville's Moogfest is hosting a panel "Sounds of Space," that explores both artists and scientists' perspectives on what we can hear in space if we learn to listen. Charles Lindsay, a multimedia artist and the artist in residence at SETI (Search For Extraterrestrial Intelligence) Institute, and Eric McDougall, founder and principal of Black Ink San Francisco, are part of the panel.