The homeless hero known as "John" - who police credited for cracking the Brown University shooting and connecting it to the MIT murder - is being take care of by the feds, The Post learned....

Train elephants India collision kills seven wild Asiatic elephants when Rajdhani Express carrying 650 passengers strikes herd crossing tracks in Assam early Saturday....

Researchers find Bronze Age plague DNA in 4,000-year-old sheep from southern Russia, revealing how the pathogen spread between animals and humans in ancient times....