NASA planet-hunting satellite finds its first Earth-sized alien world
The exoplanet orbits a star in the habitable zone and may be covered in oceans.
Tag: TESS
NASA’s brand new TESS telescope is already sending back impressive footage
Even before it actually started doing science, TESS sent back awesome footage of a passing comet.
Meet TESS — he’ll be finding exoplanets for the next few years
NASA's future planet hunter has arrived -- and it's set for glory.
EDITOR'S PICKS
Why is the ocean salty?
No matter how salty you get, you'll never be as salty as the ocean
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