Items tagged with planetary defense

Scientists have discovered that near-Earth asteroid Phaethon has a measured change in its rotation period. Phaethon is just the 11th asteroid to be found with this unique feature, and its the largest of the group. NASA's DART mission... Read more...
NASA partook in an international exercise to test the operational readiness of limiting, or preventing, global destruction from an incoming asteroid. The exercise included 100 participants from 18 countries, including NASA scientists and... Read more...
The thought of an asteroid hurtling through space, slamming into Earth and annihilating humankind has enamored the imagination of more than a few filmmakers and astronomers through the years. Well, NASA has been thinking about the... Read more...