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Articles on Astrobiology

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This artist’s rendering shows OSIRIS-REx spacecraft descending toward asteroid Bennu to collect a sample of the asteroid’s surface. NASA/Goddard/University of Arizona

NASA’s OSIRIS-REx will land on an asteroid to bring home rocks and dust – if it can avoid Mt. Doom

OSIRIS-REx will touch down on asteroid Bennu, collect a sample of the dust and begin its journey back to Earth, where scientists will study it, hoping to learn secrets of the solar system's origin.
People do live outside Earth – on the International Space Station! But humans have had to find a way to make the conditions there more like what we’re used to at home. Flickr/NASA's Marshall Space Flight Center

Curious Kids: can people live in space?

The short answer is yes, but it’s really, really difficult.
Scientists conduct research in Hawai'i Volcanoes National Park to practice for Mars landings. Shutterstock

Rehearsing for the Mars landings in Hawaii and Idaho

To prepare for future Mars missions, scientists collect samples and simulate communications conditions from volcano parks on Earth.
Artist’s rendition of one of the billions of rocky exoplanets in our galaxy. Did life once exist on its surface? NASA/JPL-Caltech

RIP E.T. – alien life on most exoplanets dies young

Complex life may be rare in the universe because most planets become either too hot or too cold before life has a chance to get a foothold. This might explain why we have yet to bump into E.T.
No green little men as far as the eye can see. ESA/Rosetta/NavCam

There’s no evidence to suggest there is life on Comet 67P

As far as underwhelming headlines go: “No Alien Life Found on Comet” must rank very close to the top. An article with this title appeared in the Guardian on July 6 in response to a story claiming that…

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