With 'Disclosure Day,' the director returns to a longtime preoccupation. Two Times staffers explore his ongoing fascination ...

Add Yahoo as a preferred source to see more of our stories on Google. Adapt or die: How do you grow and evolve to fit into an alien environment? How do you create change in the face of overwhelming ...

"This whole evil alien trope seems to me to be a mirror held back to how our civilization has interacted with itself." When you purchase through links on our site, we may earn an affiliate commission.

President Trump stated four objectives at the beginning of the war in Iran. How many have been accomplished so far?

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 ...