Scientists have traced the ancestry of the modern horse to a lineage that emerged 4,200 years ago and quickly became dominant across Eurasia. The research published Thursday suggests that’s when humans started to spread domesticated horses around the world. This horse lineage had a genetic mutation that changed the shape of its back…
Nine Wisconsin correctional officials, including the warden of a maximum-security prison, have been arrested on charges connected with the deaths of two inmates that the sheriff said showed a “blatant disregard for the safety of human beings.”
Health authorities say a man in Mexico died from a type of bird flu called H5N2 that has never before been found in a human. The World Health Organization says Mexican health officials confirmed the April death but don’t know how the man became infected. The …
Elon Musk’s SpaceX made a much-anticipated fourth test flight of the world’s most powerful rocket, Starship, a vehicle designed to power human flight to the moon and Mars…