If you've ever wanted to communicate with aliens, here's your chance. Cosmos Magazine is offering the chance to send a message to another planet, Gliese 581 d. This exoplanet is about 20.3 l...

More details are emerging on the extrasolar planet that was discovered by the CoRot satellite back in February. New information about this planet make it first in many respects: It is the smallest ...

The basic chemistry for life has been detected the atmosphere of a second hot gas planet, HD 209458b. Data from the Hubble and Spitzer Space Telescopes provided spectral observations that revealed mo...