Articles on Human spaceflight

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Between adjusting to gravity and floating through choppy waves, returning to Earth from space can be nauseating. Keegan Barber/NASA via Getty Images

Astronauts can get motion sick while splashing back down to Earth – virtual reality headsets could help them stay sharp

Astronauts generally can’t look out the window like you might in a car – a ‘virtual window’ could instead serve that purpose.
Analog missions, like those conducted at NASA’s CHAPEA facility at the Johnson Space Center, help scientists study human spaceflight without leaving Earth. Ronaldo Schemidt/AFP via Getty Images

Space exploration in the backyard, on a budget – how NASA simulates conditions in space without blasting off

A planetary scientist who has participated in analog missions describes their value for planning space exploration – and learning about extreme environments on Earth.

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