Related topics: nasa · planets · life

Interstellar seeds could create oases of life

We only have one example of a planet with life: Earth. But within the next generation, it should become possible to detect signs of life on planets orbiting distant stars. If we find alien life, new questions will arise. ...

High planetary tilt lowers odds for life?

Highly-tilted worlds would have extreme seasons, subjecting life to alternating periods of scorching and subzero temperatures. This could make the development of all but hardiest, simplest creatures a long shot.

Sulfurous signs of life

Any sulfurous molecules that astronomers spot on alien worlds might be a way to reveal whether or not those distant planets host life, researchers suggest.

Martian water vs. the volcanoes

For decades NASA has been "following the water" on Mars with hopes of finding signs of alien life there; or at least signs that future colonists won't die of thirst. Now a Texas geologist has dared to revive an old, almost ...

Channeling your inner alien? Maybe, scientists say (Update)

(AP) -- For decades, scientists have scanned the heavens in search of extraterrestrial life. Perhaps they should have looked closer to home. Variant life forms - most likely tiny microbes - could still be hanging around ...

Scaling laws in enzymes may help predict life 'as we don't know it'

The only references we have for "life" are the forms we know on Earth. Astrobiologists suspect that the search for alien life, and even for the origins of life on Earth, may require a broader scope. A NASA-funded team of ...

page 5 from 9