This could explain why some asteroids that venture into the inner solar system are pale, while most others are stained a darker hue by the bombardment of space particles (Nature, DOI: 10.1038 / nature08709). (newscientist.com)
Brownlee has been trying to extract grand stories from tiny space particles since the mid-1960s. (discovermagazine.com)
If another pole swap is coming, the process could prove catastrophic for life, disrupting animals» magnetic navigation and letting in harmful space particles that could fry organic cells and electronic circuits alike. (scientificamerican.com)