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.
Astronomers have located an Earth-sized world within the 'Goldilocks zone' of a distant solar system.
Scientists have identified what could be a natural satellite orbiting a planet in another solar system.
Recent studies have revealed that extrasolar planets are extremely abundant throughout the universe.
The record-breaking haul of newly discovered worlds comes courtesy of the Kepler Space Telescope.
The recently selected PLATO mission will focus on identifying Earth-like worlds orbiting distant stars.
Astronomers seeking signs of alien life are on the lookout for 'superhabitable' extrasolar planets.