News tagged with liquid water

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planets · mars · water · nasa · earth

Bringing Mars back to Earth

The search for life should be an essential component of a sample return mission from Mars, according to a recent report examining the science behind such a venture.

Apr 20, 2012
4.4 / 5 (8) 13 | with audio podcast

'Tidal Venuses' may have been wrung out to dry

Earth-sized exoplanets within a distant star’s habitable zone could still be very much uninhabitable, depending on potential tidal stresses — either past or present — that could have "squeezed ...

Mar 29, 2012
5 / 5 (1) 1

Far-out photosynthesis

Photosynthesis maintains Earth's habitability for life as we know it, and shapes the way we search for habitable worlds around distant stars. Scientists have discovered a microbe that can use low-energy light ...

Mar 16, 2012
4.3 / 5 (7) 7 | with audio podcast

Space image: Compact planetary system

(PhysOrg.com) -- This artist's concept depicts a planetary system so compact that it's more like Jupiter and its moons than a star and its planets. Astronomers using data from NASA's Kepler mission and ground-based ...

Mar 15, 2012
5 / 5 (2) 0

Do moons of gas giants affect the habitable zone?

(PhysOrg.com) -- If you aren’t familiar with the Drake Equation, or how it may actually apply to exomoons, continue reading to learn more about the famous equation. Additionally, what conditions could ...

Mar 07, 2012 weblog
4.2 / 5 (10) 16