Defence hawk John Bolton becomes National Security Adviser, in the latest change in the White House.
It is estimated some 80,000 tonnes of plastic is circulating in a patch between Hawaii and California.
Beijing vows to "fight to the end" in any trade war, as the White House targets Chinese goods.
Downloading your Facebook data is easy, and very revealing, as a BBC reporter finds out.
John Dowd is reported to have concluded that Mr Trump was increasingly ignoring his advice.
Scientists investigate an unusual, small, mummified skeleton from Chile to establish its medical history.
"There is no plausible alternative explanation", the European Council says after an evening of talks.
Authorities say they mistook Stephon Clark's mobile phone for a weapon and fired off 20 shots.
The firm Charles Lazarus founded in 1948 said last week it was game over for its US and UK stores.
Police release footage of the moments leading up to a crash involving a self-driving car in Arizona.
This is not the first time the two septuagenarians have discussed the prospect of a tussle.
Students at Marjory Stoneman Douglas High School where a gunman killed 17 people will be asked to wear clear backpacks as part of extra security measures.
The video-sharing site has banned videos that show people how to manufacture or modify guns.
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