defesa planetária

Science and Technology

NASA reveals the global network that monitors over 41,000 near-Earth asteroids, shares data among scientists worldwide, and has already proven that humanity can deflect a space rock before a collision.

Ana Alice 20/06/2026 at 19:44

Interesting facts

When an asteroid appears without warning, ESA switches from emails to voice calls and speeds up alerts that can determine the response on Earth.

Geovane Souza 16/06/2026 at 10:41

Science and Technology

China is building in Chongqing a “compound eye” with 25 radars and more than 100 antennas to monitor threats in space.

Alisson Ficher 15/06/2026 at 16:29

Science and Technology

In 2022, NASA shot a spacecraft at an asteroid at 6.6 km per second and changed its orbit by 33 minutes — now Europe’s Hera probe is traveling there to inspect the damage and make planetary defense an exact science.

Douglas Avila 23/04/2026 at 00:25

Science and Technology

New Oxford Study Raises Alarm and Discovers Hidden Strength in Iron-Nickel Rich Metallic Asteroids, Which Could Change Planetary Defense

Flavia Marinho 22/01/2026 at 22:33

Science and Technology

Giant Asteroid Transformed Earth 11 Million Years Ago — And Scientists Are Still Searching for the Lost Crater in Australia

Caio Aviz 18/10/2025 at 23:35

Science and Technology

Giant Asteroid 2025 QV9 Accelerates Toward Earth in September, Prompting NASA and Global Agencies to Increase Alert

Caio Aviz 15/09/2025 at 21:43

Interesting facts

The 53-Meter Asteroid That Could Hit the Moon: James Webb Telescope Raises Probability of “City-Killing” Asteroid Hitting the Moon to 4.3% in 2032

Jefferson Augusto 17/06/2025 at 09:37

Science and Technology

Asteroid Monitored by ESA May Hit South America in 2032 and Triggers Global Impact Alert

Caio Aviz 11/06/2025 at 00:57