U.S. National Security Adviser John Bolton arrived in Moscow this weekend to a murmur of dampened outrage over President Trump's announcement to leave the 1987 arms control treaty that marked the end of the Cold War.

Mikhail Gorbachev, the former Soviet leader who signed the Intermediate-Range Nuclear Forces Treaty with then-President Ronald Reagan, called the decision a "mistake" that didn't originate from a great mind.

Microplastics have been found in human stool samples from countries in many parts of the world, according to a small pilot study being presented this week at the 26^th annual United European Gastroenterology conference in Vienna, Austria.

Hold on to your hats: A sea cucumber that looks like a headless chicken has been caught on video in the deep seas near East Antarctica.

It's a surprising location for the species, Enypniastes eximia, to turn up. The last place it was filmed was thousands of miles away in the Gulf of Mexico last year.

A new bridge in southern China will shave more than two hours off the trip from Hong Kong to Zhuhai on the mainland. The result of nearly nine years of construction, the Hong Kong-Zhuhai-Macau Bridge project even includes a tunnel in its 34 miles across the Pearl River Delta.