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, ...

Day of discovery: 7 Earth-size planets

Newspapers around the world printed the discovery on their front pages: Astronomers had found that a red dwarf star called TRAPPIST-1 was home to a close-knit family of seven Earth-size planets. NASA announced the system ...

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 ...

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