Vision changes in space

Understanding the effects of microgravity on the human body is essential in enabling astronauts to travel through the harsh environment of space for months, or even years. Significant changes to the body's skeletal and muscle ...

Self-cleaning spacecraft surfaces to combat microbes

Astronauts live and work in orbit along with teeming populations of microorganisms, which could present a serious threat to health—and even the structural integrity of spacecraft. To help combat such invisible stowaways, ...

How to grow plants on the moon

What do you need to make your garden grow? As well as plenty of sunshine alternating with gentle showers of rain—and busy bees and butterflies to pollinate the plants—you need good, rich soil to provide essential minerals. ...

What's the best way to build landing pads on the moon?

In the near future, NASA, the European Space Agency (ESA), China, and Roscosmos all mount crewed missions to the moon. This will constitute the first time astronauts have walked on the lunar surface since the Apollo era. ...

Hubble views a galactic oddity

The ultra-diffuse galaxy GAMA 526784 appears as a tenuous patch of light in this image from the NASA/ESA Hubble Space Telescope. This wispy object resides in the constellation Hydra, roughly four billion light-years from ...

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