Russia to check space flight engines over faulty parts

Russia on Saturday said it had ordered a full check of engines used on its key Proton rocket after a cargo ship crashed last month due to engine disintegration and an inspection revealed factory violations.

Study says grass carp have invaded three of the Great Lakes

Invasive grass carp have reached three of the Great Lakes and pose a significant environmental risk there, but time remains to prevent them from getting out of hand, according to a scientific analysis released Friday.

Los Angeles freeway claims 3rd mountain lion in 2 months

A vehicle struck and killed an orphaned mountain lion on the same stretch of Los Angeles-area freeway where her mother and one of her two siblings died separately in December, wildlife authorities said Friday.

US no longer has geography as defense, ally in cybercombat

The United States has long relied on its borders and superior military might to protect against and deter foreign aggressors. But a lack of boundaries and any rulebook in cyberspace has increased the threat and leveled the ...