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  1. Oct 25, 2023 · While astronomers have identified a few possible candidates for where life might conceivably exist elsewhere in the Universe, along with the odd mysterious signal, there is yet to be any concrete...

    • A Drop in An Ocean
    • What Would It Take to Make contact?
    • Cover Ups?

    On and off over the past decade, I’ve used radio telescopes to perform wide ranging experiments to search for technosignatures– signs of technological civilisations on planets elsewhere in our galaxy (the Milky Way). But after decades of many teams of experts using powerful telescopes, we still haven’t covered much territory. If the Milky Way is co...

    The vast volume of the universe makes it very difficult to achieve interstellar travel, receive signals, or communicate with any potential far-off lifeforms (at least according to the laws of physics as we know them). Speeds are limited to the speed of light, which is around 300,000 km per second. It’s pretty fast. But even at that speed it would t...

    Could it be aliens have crashed on Earth and the US government is just covering it up, as Republican Congressman Tim Burchett claimed in his reaction to the hearing? For airlines belonging to the International Air Transport Association, the chance of plane crash is about one in a million. That begs the question: do we think an alien spacecraft that...

    • Steven Tingay
  2. Jan 18, 2021 · Books. Have We Already Been Visited by Aliens? An eminent astrophysicist argues that signs of intelligent extraterrestrial life have appeared in our skies. What’s the evidence for his...

  3. Jun 9, 2023 · Aliens are in the headlines, but there still isn’t solid evidence that they’ve come to Earth. On 31 May, NASA’s new task force on unidentified anomalous phenomena (UAPs) held its first public...

  4. Feb 1, 2021 · February 1, 2021. 14 min read. Astronomer Avi Loeb Says Aliens Have Visited, and He’s Not Kidding. In conversation, the Harvard University professor explains his shocking hypothesis—and calls...

  5. Mar 4, 2024 · The team concluded that if LIFE or a similar instrument were to observe Earth from as far away as 30 light-years, it would successfully determine our planet is a warm, habitable world.

  6. Nov 25, 2023 · It seemed possible humans would master space travel and explore the cosmos. So why, he asked, is there no compelling scientific evidence that extraterrestrials have visited Earth?