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  1. Alien astronomers might be looking in our direction from distant planets. What would they see? We've been searching the heavens for some time now. But despite decades of listening for tell-tale...

  2. Oct 28, 2023 · Seager believes we'd confirm the existence of alien life only with sample-return missions — collecting samples from another planet or moon and bringing them back to Earth for study, in-situ ...

    • Patrick Pester
    • It’s a numbers game, and probability suggests aliens are out there.
    • We already know of hundreds of potentially habitable planets. We are able to measure the atmospheres of these exoplanets using a technique called spectroscopy.
    • We’ve found life on earth in places that we didn’t think life could possibly exist. When we’re contemplating the existence of life beyond our planet, it’s worth considering that we’ve discovered microbes inhabiting spaces on Earth where the idea of survival was previously inconceivable.
    • The life that’s out there may not be intelligent life.
  3. Sep 10, 2021 · Do aliens exist? Extraterrestrial life has never been discovered, but that doesn’t mean it doesn’t exist. At NASA, astrobiologists like Lindsay Hays are.

  4. Nov 25, 2023 · UFOs are real, and the government is aware. But that doesn't mean we know what they are and that they are signs of alien technology. (Video: Monica Rodman, Sarah Hashemi/The Washington Post)

  5. Sep 29, 2023 · Nasa's James Webb Space Telescope (JWST) recently detected tantalising hints at life on a planet outside our Solar System - and it has many more worlds in its sights. Numerous missions that are ...

  6. Extraterrestrial life, alien life, or colloquially simply aliens, is life which does not originate from Earth. No extraterrestrial life has yet been conclusively detected. Such life might range from simple forms such as prokaryotes to intelligent beings, possibly bringing forth civilizations that might be far more advanced than the ...