Some Sun-like stars are ‘earth-eaters’, ingesting large amounts of the kind of material from which planets like Earth and Mars and are made.
A new giant planet, perhaps twice the mass of Jupiter, has been located in a star system about 250 light-years from Earth.
Astronomers have announced the discovery of another handful of planets as they work on expanding the galactic planetary census.
Weather forecasters on exoplanet GJ 1214b would have an easy job. Today’s forecast: cloudy. Tomorrow: overcast. Extended outlook: more clouds.
Observations of the nearest star to our Solar System might uncover the presence of Earth-sized planets.
Data from NASA’s Kepler mission indicates many Sun-like stars have planets not much bigger than Earth.
With dozens more confirmed planets, scientists say it’s just a matter of when, not if, we find a new Earth.
NASA’s Spitzer Space Telescope picks up the light of a distant water world.
Our galaxy’s faint red stars are thought to harbour billions of planets only slightly bigger than Earth.