Armored vehicles used by Kenyan police rumble through the streets of Port-au-Prince, Haiti. The vehicles are part of the United States’ more than $600 million in contributions to the U.N.-backed ...

In a dark coincidence, the researchers point to California's current catastrophe as a timely example of their recently published findings. "In that publication, fairly incredibly, we use the example ...

NASA’s troubled Mars Sample Return program is stuck at a crossroads—and is likely to remain in limbo until at least 2026—agency officials said at a press briefing on Tuesday. To bring this ...

Option one would use the same "sky crane" landing system proven with NASA's Curiosity and Perseverance Mars rovers, a smaller sample collection spacecraft, a smaller rocket to boost the samples ...

The goal of the Mars Sample Return Program, which is being planned jointly with the European Space Agency (ESA), is to retrieve samples of rock, gas and loose surface material that were collected ...

Vicente Fox takes active measures to keep Mexico’s emigrants from assimilating.