A respected Harvard professor is once again challenging the scientific community with a controversial claim, urging global leaders to prepare for the possibility of contact with extraterrestrial ...

Avi Loeb, the chair of the astronomy department at Harvard, has suggested that a Manhattan-sized interstellar object, which ...

Scientists estimate the object to be more than 12-miles-wide, speeding at 37 miles-per-second, relative to the sun.

This rare planetary alignment will be visible from August 10 but will be best viewed later in the month. Here’s everything ...