3I/ATLAS shows signs of alien engine and non-gravitational acceleration as it passes near the Sun, drawing global attention from scientists and space agencies. Harvard astrophysicist Avi Loeb ...
An interstellar object roughly the size of Manhattan has captured scientists’ attention — and one prominent Harvard astrophysicist believes it could be something far beyond natural. According to the ...
Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...
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