"Thanks for all your effort," wrote the first moonwalker. Neil Armstrong was appreciative, but as explained in his ...

Planning the perfect Valentine’s Day escape means finding a dreamy destination and bringing along everything you need to make it extra special. Whether you’re heading to a cozy spa retreat, a ...

Spaceplanes are making a comeback! Dream Chaser is a modern take on the legendary Space Shuttle, built for safer, reusable, and cost-effective space travel. In this video, we explore how it works, why ...

The astronaut behind one of the 'most terrifying photos' ever taken in space explained why it was it was chilling. The late ...

U.S. Rep. Mike Haridopolos wants to move NASA headquarters out of its underutilized, leased building in Washington, D.C. — ...

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

By Katrina Miller NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry. By Robin George ...

Sierra Space has been working on a spacecraft with the nostalgia of NASA's space shuttle program. Dream Chaser, a cargo space plane capable of runway landings, is set to launch for the first time ...