Greenhouse gases kept early Earth warm
Greenhouse Earth Billions of years ago greenhouse gases kept the early Earth warm and wet enough to support life, despite the Sun being much cooler t
Snow lines reveal birthplace of planets
Cosmic Snow Line Astronomers have identified a ring of frozen carbon monoxide orbiting a newly-formed star, which could provide new clues into how pl
Cassini to capture Earth's smile
Say cheese! NASA's Cassini spacecraft will capture a rare image of Earth early tomorrow morning as it photographs Saturn backlit by the Sun.
Dead star leaves astronomers in the dark
Mystery remains A team of astronomers have peered at a distant white dwarf star to confirm whether one of Nature's so-called constants varies changes
Exoplanets in doubt after gaps found in theory
Dusty rethink Some potential planet discoveries could be in doubt after a new study has found gaps in debris discs around young stars may be the resu
Exoplanets in doubt after study finds gaps in theory
Dusty rethink Some potential planet discoveries could be in doubt after a new study has found gaps in debris discs around young stars may be the resu
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