A recent study reveals that the famous Wolf-Rayet 104 "pinwheel star" holds more mystery but is even less likely to be the potential "death star" it was once thought to be.
Radio astronomers see what the naked eye can't. As we study the sky with telescopes that record radio signals rather than light, we end up seeing a lot of circles.
Carbon-rich cosmic dust comes from different sources and spreads out into space, where it's necessary for life and for the formation of rocky planets like ours.
An international team of astronomers have identified a powerful magnetic field in the Wolf-Rayet star HD 45166, the exposed helium core of a star that has lost its outer layers of hydrogen.