Immigrants across the US went on strike, shutting many restaurants and some other businesses.

A giant coral reef at the mouth of the Amazon River is unlike all other known reefs because it thrives under light-blocking sediment. Scientists are just beginning to explore it and have found many new species.

It will be killed by ocean acidification if spilled oil from wells to be drilled nearby don't get it first.

It appears Russia and Syria were behind an attack on an MSF hospital in Syria a year ago.

The troll is already planning ways to crush civil society in the US.

The death in French jail of Adama Traoré in July is still being investigated.