After being exploited for decades by France, Haiti ended up forking over huge sums of money to its former colonizer. Now, the Caribbean nation's calls for restitution are becoming harder to ignore.
Scientists have conflicting theories on why the universe is expanding at an accelerating rate. New measurements from a massive collaboration complicate these ideas.
The length of Booker's speech grabbed headlines, but the senator's media strategy helped sustain attention afterward while disrupting Trump's public spotlight.
Avian influenza infections in the US have been rising over the past year, but there's no evidence so far that people can infect each other with this strain of the virus.