Space
A dramatic return from space in Kazakhstan
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Lost in Space-Time
Each month, we hand over the keyboard to a physicist or mathematician to tell you about fascinating ideas from their corner of the universe. You can sign up to the Lost in Space-Time newsletter here.
Space
Astronauts may need medical evacuation from one-third of moon missions
News
Space
Bacteria on the space station are evolving for life in space
News
Video
Astronomy Photographer of the Year showcases world's best space images
Video
Health
How bad is modern life for our body clocks – and what can we do?
Culture
Space
Current laws cannot protect civilians in space if something goes wrong
Leader
Chemistry
How to turn most of the CO2 an astronaut exhales into fresh oxygen
News
Space
Polaris Dawn mission is one giant leap for private space exploration
Analysis
Physics
How the most precise clock ever could change our view of the cosmos
Features
Mathematics
The mathematical theory that made the internet possible
News
Space
The Starliner stranding shows why NASA was wise to have a backup plan
Leader
Space
SpaceX's Polaris Dawn crew set to attempt the riskiest spacewalk yet
News
