The universe is supposed to look the same no matter where you stand. That idea, known as the cosmological principle, sits at the heart of modern astrophysics. It says matter spreads out evenly when ...

Recent astronomical observations have thrown a curveball at our understanding of the cosmos. The solar system, it seems, is hurtling through space at a velocity three times greater than previously ...

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system. If confirmed, it will be the third interstellar visitor ever spotted. When ...