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 ...

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 ...

A massive, Manhattan-sized object is speeding through our solar system, and it is behaving strangely. Designated 3I/ATLAS (discovered by the Asteroid Terrestrial-impact Last Alert System telescope), ...