Planetary Defense

space-astronomy

Will Apophis destroy Earth? No current evidence indicates so. Apophis is a near-Earth asteroid closely monitored by planetary defense networks, and while it will make several no...

science-explanation

Comets are icy bodies from the distant outer Solar System that release gas and dust when they approach the Sun, forming distinctive tails that have fascinated observers for cent...

Science

A near miss asteroid is a near-Earth object that passes close to Earth without posing an impact threat. This guide explains how such objects are defined, tracked, and assessed,...

Science

No, the 2029 asteroid will not kill us in 2029. Current probability estimates from NASA show roughly a 1 in 100,000 chance of impact, meaning a collision is extremely unlikely....

planetary-defense

Apophis, a near-Earth asteroid roughly 340 meters across, will make a close approach in 2029 that will come within about 32,000 kilometers of Earth, passing inside some satellit...

science-technology

Apophis (designated 99942 Apophis) is a near-Earth asteroid roughly 340 meters in diameter. In 2029 it will make a close approach on April 13, passing inside many satellite orbi...

science-and-space

Apophis is a near-Earth asteroid whose close approaches in 2029 and 2036 have drawn public attention and occasional speculation about a cover‑up. This article explains Apophis...

Science

No, asteroid 2029 (formally 99942 Apophis) will not hit Earth in 2029. Decades of radar and optical observations, plus precise orbit calculations, show a safe close approach on...

Science

By 2032, at least one sizable near-Earth object tracked by NASA will make a close approach, but current impact probabilities remain extremely low. This overview explains how orb...

Science & Space

Objects strike Earth constantly as meteorites, but large, damaging impacts are exceptionally rare. Most arrive as small fragments that burn up or fall harmlessly, while only ast...