Rebecca Hersher

In a speech at the International Astronautical Congress in Guadalajara, Mexico, the billionaire tech entrepreneur is detailing his vision for sending humans to the red planet.

20-year-old Arcan Cetin was arrested Saturday evening after the shooting in Burlington, Wash., on Friday. He is charged with five counts of first-degree murder.

José Fernández defected from Cuba as a teenager, and there has been an outpouring from baseball fans in the Cuban community who felt proud of his success and devastation upon word of his death.

China says the 500-meter telescope detected a radio signal originating 1,351 light-years from Earth. One of its uses is scanning for signs of intelligent extraterrestrial life.

The U.N. Secretary-General said he was "appalled by the chilling military escalation," and that the bombing of densely populated urban areas may amount to war crimes.

The young ace was the National League's Rookie of the Year in 2013. When he died, he had the second most strikeouts of any pitcher in the National League.

Correspondents, editors and producers from NPR's newsroom share the pieces that have kept them reading, using the #NPRreads hashtag.

A report finds more than 30,000 migrants have voluntarily left Germany since January. The top three destinations were Albania, Afghanistan or Iraq.

Grønland har verdens højeste selvmordsrate. Og teenagedrenge er i højeste risikogruppe.

Researchers used a new kind of analysis to make a virtual image of a crumbling ancient scroll from Israel. Biblical scholars were able to read the re-created text, which is from Leviticus.

The city of Yichang is calling on couples to serve their country by having a second child, even as harsh fines are announced for families in Beijing who violate the rules on having more than two kids.

A complete list of the websites available to people in North Korea was published online on Tuesday. A security engineer stumbled upon the usually hidden sites with URLs ending in .kp.

Such a treaty would be the first between China and Canada. The U.S. has refused to discuss such an agreement with the Chinese, citing human rights concerns.

Dozens of people died in violent demonstrations against longtime leader Joseph Kabila on Monday and Tuesday, after the government postponed November's presidential election.

All 858 people had previously been ordered removed from the country. The Department of Homeland Security's Office of Inspector General says fingerprint records are to blame.

In his final speech before the U.N. General Assembly, President Obama called for a "course-correction" in the fight against extremism and for greater attention to climate change.

The Syrian military accused rebels of violating the seven-day cease-fire and declared the truce over. Trucks carrying food and medicine to an area west of Aleppo were attacked from the air.

Gov. Pat McCrory said the suit he filed against the Justice Department, which defends a bill that regulates who uses what bathrooms and allows for discrimination against LGBT people, is too expensive.

The $14.6 million Gardez Hospital in eastern Afghanistan is over budget and might be too expensive for local health authorities to run on their own.

The reef structure covers more than 2,000 square miles north of the Great Barrier Reef. What might live there and even what it looks like up close, is still largely a mystery.