Search results for

Potential answers for the unexpectedly high levels of silica all involve water. The space agency also says it found "a mineral named tridymite, rare on Earth and never seen before on Mars."

President Obama used a visit to the Pentagon on Monday to signal that he is focused on the fight against ISIS in Syria and Iraq. He met with military and other national security leaders to discuss the ongoing operations ahead of another planned visit this week to the National Counterterrorism Center.

Two men are being questioned in Austria as part of the investigation into last month's terrorist attacks in Paris. The two are suspected of entering Europe on fake Syrian passports.

As you might have guessed, the answer is not Tanzania. So the holiday season is a good time to reflect on ... electricity.

Yes, TV stars and athletes were frequently searched in 2015. But Simon Rogers, data editor at Google News Lab, says we were also seeking information about the Paris attacks and the refugee crisis.

Ammunition and tools for explosives were found in the car and home of the San Bernardino shooting suspects. A day after the attack, the investigation is widening and the region is struggling to cope.

The pre-Thanksgiving potluck with friends has become increasingly popular. As long as you're reinventing tradition, a nonprofit asks, why not turn it into a fundraiser to help feed hungry kids?

Turkey said the plane violated its airspace and that it had issued 10 warnings before firing. Russian President Vladimir Putin said the downing was a "stab in the back by the terrorists' accomplices."

In Chicago today, protesters walked in a "march for justice," following the first-degree murder charges against police officer Jason Van Dyke in the fatal shooting of 17-year-old Laquan McDonald. NPR's Ari Shapiro speaks with Shari Runner, interim president and CEO of the Chicago Urban League.

Stock prices may be having a meltdown, but consumers and homebuyers are still pushing the economy forward. In fact, a new round of data suggests the economy is gaining strength even as markets fall.