Instead, scientists are looking into existing spacecraft already in orbit around other planets. Harvard Professor Avi Loeb ...

A Harvard physicist has asserted that new images of the Manhattan-sized interstellar object rocketing through our inner solar ...

A mysterious interstellar object named 3I/ATLAS is racing through our solar system at incredible speed — and scientists are ...

Loeb has developed what he calls the 'Loeb Scale', a ranking system to evaluate the likelihood that an object is artificial, ...

The plot of the movie Independence Day could soon become reality—as early as this November. According to Harvard astronomer ...

The team identifies one particularly intriguing event in 1952, in which three orbs appeared and then disappeared within 50 minutes.