Curious Kids: How exactly does a spaceship get into space?

Space Station Astronauts Work Spine Scans, Heart and Breathing Checks

The James Webb Space Telescope and a Quest Every Human Shares. Building, launching and deploying the giant observatory required the best of what our species has to offer the cosmos.

'Metabolic trick' in squirrels' guts could help astronauts in deep space. This process could help prevent muscle loss in future trips into deep space.