Amazon is joining the list of companies planning a constellation of thousands of satellites for broadband internet connectivity.
House Armed Service Committee Chairman Adam Smith on Thursday sent a letter to Air Force Secretary Heather Wilson questioning "what seems to be a rush to move ahead in the procurement strategy."
NASA's Lunar Gateway space station design process is beginning to take shape: The agency has announced five new prototypes that it plans to test on the ground.
A U.S. space and defense software company created two new simulation videos, revealing how the anti-satellite weapon recently launched by India might have looked hitting a satellite in space.
Hear from the future riders of Crew Dragon, the reusable vehicle developed by SpaceX through a partnership with NASA.
The partial government shutdown earlier this year that delayed elements of other NASA missions may have provided a reprieve of sorts for a troubled instrument on the agency’s next Mars mission.
India's recent anti-satellite test created 60 pieces of orbital debris big enough to track, 24 of which rise higher than the International Space Station's orbit around Earth.
Neptune's moon Triton is one of the strangest worlds in the solar system — and that's why scientists are exploring mission concepts that could give them a detailed look at it.
What does the speed of light look like? CalTech researchers built the world's fastest camera to find out.
Lanthanum, diamond crushers and advanced computer models are changing the hunt for this extreme quantum mechanical effect.
The 4-lb. Mars Helicopter, a technology demonstration that will launch with NASA's next Red Planet rover in July 2020, aced its first-ever test flight under Red Planet conditions.
Indian Prime Minister Narendra Modi announced the nation completed a successful test-fire of its first anti-satellite launch missile, dubbed "Mission Shakti," on Wednesday (March 27).
The Orion crew capsule needs a backup plan if, during the start of a trip to the moon or to deep space, there's a launch malfunction.
Missiles shot from California's Vandenberg Air Force Base successfully destroyed an airborne target Monday (March 25) as part of a U.S. missile defense test, military officials said.
When it comes to moons, potentially habitable worlds tend to steal the spotlight — but NASA may send a mission to a world that's certainly dead biologically, but far from it geologically.
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