Headlines

How long do civilizations last?

It is one of the most famous questions in science, and it was asked, as legend has it, over lunch. Enrico Fermi, the physicist who helped build the first nuclear reactor and whose name graces a unit of length so small it makes an atom look generous, was chatting with colleagues

Pentagon says Iran will not be "endless war"

WASHINGTON, March 2 (Reuters) - U.S. Defense Secretary Pete Hegseth said on Monday that military operations against Iran would not lead to an "endless war" and that the aim was to destroy Tehran's missiles, Navy and other security infrastructure. "We're hitting them surgically,