Astronauts strapped moss spores to the outside of the International Space Station for nine months - and most of them survived the challenging experience

The moss species Physcomitrium patens is the latest organism to survive an extended stay in the vacuum and radiation of space.

Emily Kwong and Regina Barber of NPR's Short Wave podcast talk about the evolutionary history of kissing, how moss spores fare in space, and new clues about the collision that created the moon.

A species of moss survived for 9 months on the outside of the International Space Station, new research reveals — and 80% of the samples kept reproducing when returned to Earth.

Moss can make it practically anywhere, from the blustery coasts of Antarctica to high up on Mount Everest—and even in lava fields on the flanks of active volcanoes. That’s because bryophytes, the...

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