New models reveal Pluto and Charon may have spent some of their early history locked together in an embrace after a grazing collision.

What if the answers to some of today’s most pressing questions—about health, the universe, and our place within it—were already known thousands of years ago? The Vedas, India’s ancient sacred texts, ...

Images of migrant caravans, rickety boats at sea, and chaos at borders suggest that authorities have lost control of the ...