Returning to Earth is one of the most dangerous phases of spaceflight, and the Space Shuttle was built to endure it like no other vehicle before. As it re-entered the atmosphere at Mach 25 ...

Reflecting on Kalpana Chawla’s legacy, this editorial urges readers to look beyond daily conflicts, focus on bigger goals, ...

A former NASA scientist explains how we know whether Blue Origin New Shepard made it to space, and how its altitude compares ...

NASA hasn't closed the door on the possibility — and the man in line to be the agency's next chief is a champion of the idea.

And that was all more or less settled until last week when the two US senators from Texas, John Cornyn and Ted Cruz, filed ...

Don Pettit, NASA's oldest active astronaut, marked his 70th birthday by landing on the steppe of Kazakhstan after 220 days in ...

Hubble was built with a number of instruments onboard, including the Wide Field Planetary Camera (WFPC), the Goddard High ...

Soviet Union’s cosmonaut Yuri Gagarin became the first human in history to travel to space. Lasting there for just 108 ...