Astronomers have identified a planet the size of Mars orbiting a star 200 light years from the Earth.
The space agency has formed a new coalition of scientists from a wide range of different fields.
Scientists have argued that a nearby Earth-like world dismissed as 'noise' is actually a real planet.
Some extrasolar planets that appear to be habitable may have lost the capacity to support life long ago.
Scientists in Australia have determined that Earth-like planets are likely to be commonplace.
Astronomers have found a planet with rings over 200 times larger than those found around Saturn.
A solar system dating back billions of years points to the likelihood that Earth-sized worlds are common.
The newly found Kepler 438b is being hailed by astronomers as the most Earth-like world ever found.
NASA's Kepler space telescope has made its first discovery since being crippled by a technical fault.
Astronomers have identified the first ever ice giant planet beyond our own solar system.
Astronomers have found signs of water vapor on a planet located around 120 light years from Earth.
Extrasolar planets with a companion world tugging at them could remain habitable for much longer.
Astronomers have identified an extrasolar planet that takes 708 days to complete one orbit of its star.
A new study has concluded that an exoplanet requires a liquid water ocean in order to sustain life.
Located 16 light years away, Gliese 832c has been identified as one of the best places to look for life.
The successor to the Hubble Space Telescope will be able to observe extrasolar planets like never before.
The powerful new model can help detect life on extrasolar planets more effectively than ever before.
A group of astronomers has estimated the number of habitable planets in our galaxy for the first time.
Astronomers have identified a planet in a distant solar system that is 17 times the mass of the Earth.
Finding signs of extraterrestrial life on an extrasolar planet is going to be a lot harder than expected.