It's been burning away for over 4.5 billion years — far longer than humans have been around. DW takes a quick look at the sun's origins.
Astronomers have detected water vapor in the atmosphere of the exoplanet K2-18b. They say it is the first planet beyond earth that has the potential to support life.
A long time ago, a galaxy not so far away merged with our own in a massive cosmic collision, scientists have discovered. The Milky Way's mass grew by over a quarter after the crash, speeding-up the formation of stars.
Two million people signed up on Facebook to go alien hunting at the highly classified US air force facility Area 51. Are they crazy or is there something to it? What would happen if we came into contact with aliens?
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