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Nov 25, 2023 · What we actually know about aliens, according to science. By Joel Achenbach. November 25, 2023 at 10:56 a.m. EST. People take pictures of exhibits at the International UFO Museum and Research...
- Jonti Horner, Astrobiologist
- Steven Tingay, Astrophysicist
- Helen Maynard-Casely, Planetary Scientist
- Rebecca Allen, Space Technology Expert
- Martin Van-Kranendonk, Astrobiologist
I think that has to be a definite yes. But I think the real question is, are aliens close enough for us to discover them? Space is unbelievably big. In the last few decades, we've learned almost every star in the cosmos has planets. Our galaxy, the Milky Way, is estimated to have up to 400 billion stars. If each of those has five planets, we'd have...
Yes, but that's a bold assertion. So, let's be clear what we are talking about. I consider the term "alien" to reference all manner of life, as we understand it on Earth, resident in places other than on Earth. Having said that, there is currently no detailed consensus on the definition of "life". It is a very complex concept. But if we found somet...
I'm of the opinion that it's only a matter of time before we find something that resembles biology somewhere other than on Earth. This is because we're increasingly finding various potential pockets in our solar system that may be hospitable to life as we know it. For instance, consider the under-ice oceans of Europa and Ganymede (two of Jupiter's ...
Yes, but they probably don't look like us. There are more than 100 billion planets estimated to exist in our galaxy alone (with some six billion potentially being Earth-like). Therefore, the probability that life exists elsewhere is all but confirmed. When we hear the word "alien", however, an image of a humanoid lifeform usually springs to mind. B...
A simple answer to this question is no. If we use purely empirical data and assume the question refers to any type of life outside of Earth that is not related to human activity, then the answer – as far as we know – must be no. But, of course, our knowledge relating to this question is finite; we have not investigated every corner of the Universe ...
Oct 28, 2023 · There's no scientific evidence for aliens in the declassified UFO videos, in mutilated cows whose injuries are blamed on extraterrestrial activities or in purported alien bodies. Nor is there...
- Patrick Pester
Dec 28, 2021 · Here are 9 things we learned about aliens (and where to look for them) in 2021. 1. UFOs are real (and the government knows it) (Image credit: Bettmann/Getty Images) In June, the Pentagon released ...
Apr 15, 2024 · Scientists could send a probe to Venus to hunt for the hypothetical makers of phosphine, but any exoplanetary biosignature scientists find may be destined to be called “a sign that’s ...
Mar 31, 2024 · By analogy, the signs of alien life that first appear will start out being doubtful and rare before becoming ironclad and common. Neveu agrees that it will take patience. “I think it’s going ...
Sep 14, 2023 · NASA Isn’t Sold on the Extraterrestrial Theory for UFOs: The space agency’s new report says there is “no reason to conclude” that the military’s many UFO run-ins are alien in nature.
