The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to be completely natural and free of any alien tech.
Planetary Sciences
Jun 20, 2026
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38
A team of scientists has used NASA's Goldstone Solar System Radar and the U.S. National Science Foundation Green Bank Telescope (NSF GBT) to carry out the most extensive radar study to date of Europa, the ocean world orbiting ...
Astronomy
Jun 17, 2026
0
59
Astronomers using the MeerKAT radio telescope in South Africa have discovered the most distant hydroxyl megamaser ever detected, opening a new radio astronomy frontier. A hydroxyl megamaser is a natural space laser, and this ...
Astronomy
Jun 13, 2026
1
809
After only four short years, NASA's James Webb Space Telescope (JWST) and observational cosmologists like Richard Ellis at University College London (UCL) have pushed the cosmic lookback time to an era when the universe's ...
Astronomy
Jun 11, 2026
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37
There's a question at the heart of SETI that doesn't get nearly enough attention. It isn't whether aliens exist, and it isn't whether we have the technology to detect them. It's a far more practical problem: With a billion ...
Astrobiology
Jun 10, 2026
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27
A pair of stars spiraling around each other. That's the origin of a new source of repeating radio bursts we've detected, called ASKAP J1745.
Astronomy
Jun 7, 2026
1
659
The Very Large Array, the iconic field of radio antennas featured in the film "Contact" (inspired by Carl Sagan's novel), has a long and distinguished history of service. But after more than 45 years of studying the radio ...
Astronomy
Jun 3, 2026
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27
Scientists at the SETI Institute recently searched for technological signals from 3I/ATLAS, the third interstellar object observed in our solar system. Using the Allen Telescope Array (ATA) at the Hat Creek Radio Observatory ...
Astrobiology
Jun 3, 2026
1
60
The Haystack 37m Telescope has been a landmark in radio astronomy and radar studies of the solar system since its first light in 1964. Over the following four decades, it supported NASA's Apollo landings on the moon, made ...
Astronomy
May 20, 2026
0
69
A new European-led telescope could map the dusty, hidden half of the universe, all without using fossil fuels. If you have ever seen the Milky Way in the night sky, you probably noticed that it looks cloudy. That is because ...
Astronomy
May 19, 2026
1
60
