On Saturday night, a train ran into a herd of elephants. Four of the elephants were killed at once. Another elephant was badly hurt.
A college student almost failed a course because her professor did not know that Australia was both a continent and a country.
Athletes at the 2018 Winter Olympics are facing tough conditions. The weather has been very cold, there have been strong winds, and there was even an earthquake.
Antarctica is a special natural place. Now China is making rules for its visitors to help protect Antarctica and the animals that live there.
In Kansas a person has to be 18 to vote, but there are no age limits to run for governor. This year there are six teenagers running for governor of Kansas.
Nancy Pelosi spoke in Congress for more than 8 hours. She gave the speech to try and help "Dreamers" - young people who were brought to the US without permission when they were children.
Princess Mako of Japan has delayed her wedding. This surprised many people. The princess says she still plans to get married, but in 2020 instead of 2018.
On Sunday Ecuador held a special vote called a referendum. The voters decided that in Ecuador the same person cannot be president more than two times.
The Philadelphia Eagles beat the New England Patriots 41-33 to become the winners of Super Bowl LII (52).
People are worried about freedom in Kenya. Kenya's president is shutting down TV stations and arresting some people he thinks are working against him.