A U.N. report says allegations of sexual abuse and exploitation in U.N. peacekeeping and political missions topped 100 for ...

Each chapter varies in length and most of them are made up of multiple missions, although some have only one. There are ...

The missions' first several delays were to allow for additional time for checkouts and processing on the Falcon 9 rocket they ...

Musk—who has a history of setting unrealized goals for his companies—says he wants to send humans to Mars by 2029, though he ...

Tense, public squabbles between SpaceX CEO Elon Musk and NASA have stirred the space industry, but behind the scenes, space ...

The U.S. government is at war with Cuban doctors working in other countries. Now 24,180 Cuban healthcare providers, mostly doctors, perform duties in 56 ...

The postponement, driven primarily by thick clouds, was the second scrub of the flight since an issue with the rocket on ...

This week, follow the journeys of two lunar landers, meet “woolly mice,” see the oldest known bone tools, and more.

The CEO of the National Parks Conservation Association says the directive from President Trump will impact 34 facilities ...

American officials, including in the C.I.A., are concerned about mass closures hampering national security work. And China ...

Caribbean leaders are pushing back against a new U.S. policy that aims to crack down on Cuban medical missions, saying that ...