As 2015 comes to a close we look back at an exciting year of reaching new heights and revealing the unknown for the benefit of humankind.

The first American woman in Space talks about her historic flight on NASA's 50th anniversary. She flew aboard Space Shuttle Challenger in June 1983 on the STS-7 mission.

As part of our popular space exploration series we present this local rocket launch reaching very high altitudes and then returning back to the launch site with a baloon parachu landing.

A flurry of solar activity in early March dumped enough heat in Earth's upper atmosphere to power every residence in New York City for two years. The heat has since dissipated, but there's more to come as the solar cycle intensifies.

Flying from Orlando, FL the crew recorded on video rare footage of Discovery's final launch as it embarks on STS-133.

NASA already has a plan to house astronauts on Mars. NASA’s 3D-Printed Habitat Challenge asked engineers to design houses that could be built on Mars by robots using 3D printing technology. NASA recently announced winners of phase three of the competition and each house has a futuristic design. Each

Astronomers using the James Webb Space Telescope have discovered a galaxy that could make us revise our cosmology models. It's a galaxy named CEERS-1749, which could be the farthest galaxy to date. Astronomers have nicknamed this galaxy Schrodinger's galaxy because it could be at two places at once....

We don’t yet know what the James Webb Space Telescope will uncover. Will we get answers? Will we have more questions? One thing’s certain: The story of us is a never-ending quest for knowledge.

Dr Tony Padilla on some recent work he has been doing on the ultimate faith of the universe.

Brian Randolph Greene is an American theoretical physicist and string theorist. He has been a professor at Columbia University since 1996 and chairman of the World Science Festival since co-founding it in 2008. He stopped by The Late Night Show with Stephen Colbert to demonstrate an exciting new sci...