China backs Russia in challenge to NATO
The leaders of Russia and China called on NATO to rule out Eastern European expansion and criticized other security blocs around the Asia Pacific region.
Committee on the Peaceful Uses of Outer Space (COPUOS)
Eight nations agree on rules to develop Moon
Seven nations joined the U.S. in signing agreements to reinforce and use international rules for peacefully cooperating on and around the Moon's surface.
New U.S. "Space Force" may test space law
America's "Space Force," the military's first new branch in more than 70 years, could breach space law and prompt a U.S. withdrawal from yet another treaty.
ESA raises bar on future space projects
The European Space Agency garnered pledges from 22 member nations to support more ambitious space exploration and research, including on climate.
Half century ago, first Moon landing inspired more science diplomacy
The U.N. marked the 50th anniversary of the first Moon landing remembering the astronauts' pitch for world peace.
Protection areas for night skies multiply with growing movement
The movement against too much artificial light at night celebrates International Dark Sky Week in April.
Military space force proposed by Trump may flout international treaty
More than a half-century after the world agreed to keep the peace in outer space, U.S. President Donald Trump's militarization plans could violate international space law.
U.N. emphasizes global cooperation at first 21st century space summit
U.N. agencies are convening their first outer space conference in almost two decades, the celestial counterpart to the world body's Earth-bound mission of preventing another world war.