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Light of an alien “super-Earth”

Light of an alien “super-Earth”

NASA’s Spitzer Space Telescope picks up the light of a distant water world.

Billions of super-Earths “out there”

Billions of super-Earths “out there”

Our galaxy’s faint red stars are thought to harbour billions of planets only slightly bigger than Earth.

Galaxy may swarm with ‘nomad’ planets

Galaxy may swarm with ‘nomad’ planets

Our galaxy may be awash in homeless planets, wandering through space instead of orbiting a star.

Mini-Solar System has smallest planets found so far

Mini-Solar System has smallest planets found so far

NASA’s Kepler mission has found three planets smaller than Earth circling a dim, red star.

First Earth-size planets orbiting a Sun-like star

First Earth-size planets orbiting a Sun-like star

NASA’s Kepler mission finds the smallest planets ever confirmed circling a star like our Sun.

Kepler finds planet in the habitable zone

Kepler finds planet in the habitable zone

NASA’s planet-hunting space telescope confirms “super Earth” discovery.

18 new giant planets found

18 new giant planets found

Largest single announcement of planets discovered orbiting stars bigger than our Sun.

Over 50 new planets discovered

Over 50 new planets discovered

Record planet-haul turns up dozens of new exoplanets, including 16 ‘super-Earths’.

“Star Wars” planet discovered

“Star Wars” planet discovered

NASA’s Kepler satellite spots a Saturn-sized world orbiting two stars.

Unseen planet uncovered

Unseen planet uncovered

Planet running “five minutes late” reveals the presence of a second nearby, but invisible, world.