Stars that pass by our solar system have altered the long-term orbital evolution of planets, including Earth, and, by extension, modified our climate. "Perturbations—a minor deviation in the course of ...

Acting as stellar archaeologists, scientists have found fossilized magnetism on long-dead white dwarf stars, which may help ...

Illustration of the uncertainty of Earth's orbit 56 million years ago due to a potential past passage of the Sun-like star HD7977 2.8 million years ago. Each point's distance from the center ...