Gemstones like precious opal are beautiful to look at and deceivingly complex. As you look at such gems from different angles ...

Canadian Prime Minister Mark Carney warned world leaders at Davos that the United States can no longer be trusted.

Rice University's SynthX Center, directed by Han Xiao, has received an up to five-year, $18 million award from the Advanced ...

Trump has also raked in at least $90.5 million from major technology and media companies, as part of a rash of settlements ...