Passenger pigeons were once the world's most abundant birds. Massive flocks of more than 1 million would darken the sky.
Beijing has rejected U.S. claims that one of its fighter jets acted recklessly in intercepting a U.S. Navy maritime patrol plane in the South China Sea last week, warning Washington to curtail or discontinue "close surveillance" flights near Chinese territory.
Ukrainian President Petro Poroshenko says Russian troops entered his country on Thursday.
SeaWorld has decided not to appeal a court ruling that prohibits its trainers from performing with killer whales, the Orlando Sentinel reports, citing a filing with the Securities and Exchange Commission.
Iraq's Prime Minister Nouri al-Maliki announced today that he will step down and endorse his nominated successor, state television says.
Congress left Washington without agreeing on a funding plan for the unaccompanied minors coming over the Southern U.S. border, so the Obama administration's Department of Homeland Security is creating one on its own.
Tomorrow morning, a European space probe will arrive at a comet with a tongue-twister of a name: Churyumov-Gerasimenko.
There are some signs that the current conflict in Gaza is deescalating: As the Israeli paper Haaretz reports, the Israel Defense Forces have started pulling their troops out of Gaza and "stationing the remaining soldiers on hills on the Palestinian side of the border with Israel."
In a report issued Tuesday, the White House warned that the cost of inaction when it comes to climate change outweighs the cost of implementing more-stringent regulations on greenhouse gas emissions.
Secretary of State John Kerry has handed over a seven-day truce proposal to Israel and Hamas, NPR's Soraya Sarhaddi Nelson reports.