‘Halloween Fireballs’ May Hold Clues to Future Threats From Space

The risk of a cosmic body striking the Earth—or exploding in the atmosphere—may be higher in 2032 and 2036, researchers have ...
IEEE

Optimization-Free Smooth Control Barrier Function for Polygonal Collision Avoidance

Abstract: Polygonal collision avoidance (PCA) is short for the problem of collision avoidance between two polygons (i.e., polytopes in planar) that own their dynamic equations. This problem suffers ...

What Is The Asteroid Terrestrial-impact Last Alert System? Earth Defenses On Alert As 3i Atlas Comet Might 'Hit' Earth

As the mysterious interstellar comet 3I/ATLAS speeds towards its perihelion on 29 October 2025, NASA's Asteroid ...
Sciencing on MSN

NASA Rammed A Spaceship Into An Asteroid And Made A Fascinating Discovery

Deflecting asteroids by running spaceships into them may sound like science fiction, but it's quite real. And it's quite a ...