Historically planetary defense research has focused on deflecting asteroids by using momentum to nudge their cosmic course ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

A bus-size asteroid is on course to skim past our planet, a reminder that Earth moves through a shooting gallery of rocks and ice. The close pass sounds ominous, but the science behind these ...

When one celestial object passes in front of another, it can cast a shadow that travels across space – and sometimes across Earth. These moments of alignment, known as eclipses, occultations, and ...

New observations show that asteroid 1998 KY26 is a mere 11 meters across and spinning twice as fast as previously thought. The discovery adds complexity to Hayabusa2’s 2031 mission but also heightens ...

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New data about the DART spacecraft’s effects adds evidence that Earth could be defended from future deadly asteroids by diverting their orbits. By Katrina Miller In 2022, NASA deliberately crashed a ...

When NASA’s DART spacecraft deliberately crashed into the asteroid moonlet Dimorphos, it did more than change the asteroid’s local orbit — it slightly shifted the path of the entire asteroid pair ...