Imagining an Earthly neighbor

We do not yet know whether the sun-like stars closest to us, the α Centauri A/B binary, harbor an Earth-like planet. However, thanks to new modeling work, we now have a good sense of what such a planet, should it exist, ...

New planet detected around star closest to the sun

A team of astronomers using the European Southern Observatory's Very Large Telescope (ESO's VLT) in Chile have found evidence of another planet orbiting Proxima Centauri, the closest star to our Solar System. This candidate ...

Earth-like biospheres on other planets may be rare

A new analysis of known exoplanets has revealed that Earth-like conditions on potentially habitable planets may be much rarer than previously thought. The work focuses on the conditions required for oxygen-based photosynthesis ...

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