(PhysOrg.com) -- For 50 years, humans have scanned the skies with radio telescopes for distant electronic signals indicating the existence of intelligent alien life. The search — centered at the SETI Institute in Mountain ...
Astronomy
Jul 20, 2010
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(PhysOrg.com) -- For more than 50 years, many have taken the so-called Fermi Paradox to indicate that the existence of intelligent alien civilizations is an impossibility. However, a recent re-examination of the paradox points ...
The conditions for life throughout the universe are so plentiful that it seems reasonable to presume there must be extra-terrestrial civilizations in the galaxy. But if that's true, where are they? The Search for Extra-terrestrial ...
Astrobiology
Feb 23, 2024
2
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Aliens are big in the news recently, fueled by congressional hearings about unidentified anomalous phenomena (UAPs), formally known as UFOs. But while the idea of aliens visiting Earth may be exciting, the better bet is still ...
Astrobiology
Aug 2, 2023
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If we ever find life on other worlds, it is unlikely to be a powerful message from space. It's certainly possible that an alien civilization specifically sends us a radio message like a scene out of Contact, but the more ...
Astrobiology
May 4, 2023
0
69
Chinese researchers have found a signal that could be from alien civilizations, the country's science ministry is reporting.
Astronomy
Jun 15, 2022
3
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Voyager 1 is the farthest human-made object from Earth. After sweeping by Jupiter, Saturn, Uranus and Neptune, it is now almost 15 billion miles (24 billion kilometers) from Earth in interstellar space. Both Voyager 1 and ...
Space Exploration
May 26, 2022
1
124
If there are so many galaxies, stars, and planets, where are all the aliens, and why haven't we heard from them? Those are the simple questions at the heart of the Fermi Paradox. In a new paper, a pair of researchers ask ...
Space Exploration
May 3, 2022
2
51
Starlink is one of the most ambitious space missions we've ever undertaken. The current plan is to put 12,000 communication satellites in low-Earth orbit, with the possibility of another 30,000 later. Just getting them into ...
Astronomy
May 10, 2021
5
36
The search for extraterrestrial intelligence (SETI) has long roots in human history. With the advent of modern technologies, scientists were finally able to start scanning the skies for any sign of life. When the search ...
Astronomy
Apr 9, 2021
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