Habitable Planets

Custom-made 'astrocomb' tool to help scientists hunt for exoplanets, alien life

The comb can help detect Earth-like planets 10 times more accurately than previously possible.

Lasers could be fashioned into beacons to attract space-faring aliens: Study

The beam produced would be strong and distinguishable from the Sun’s light to alien astronomers.

What makes planets 'habitable' questioned, widening prospects of finding others

Earth's volcanoes are found at the border of tectonic plates, which scientists believed were necessary for life.

Astronomers discover 8 new planets in habitable 'Goldilocks zone'

The "Does human life exist beyond Earth" debate just scored another talking point with the discovery of eight new planets within the so-called "Goldilocks" -- or habitable -- zone of their stars.