A celestial visitor from beyond our solar system has become the unwitting protagonist in a global test of humanity's ability to spot potential threats from the deep. While the interstellar comet ...

The familiar script of planetary defence has been torn up. For decades, the globe's foremost space agencies operated under the assumption that the greatest threat to Earth came from within its own ...

Explore how the DART mission advanced planetary defense using kinetic impactor technology and impactor hardware to enable real-world asteroid deflection strategies.

China’s proposed planetary defense mission would test the same kinetic impactor technique demonstrated by NASA’s DART mission. Credit: NASA/JHUAPL/Jon Emmerich STOCKHOLM, Sweden — China has identified ...