Just a few hundred light years from Earth, a swollen red giant is quietly forcing astronomers to rethink how stars seed the galaxy with the raw materials for planets and life. New observations of the ...

New observations of a nearby red giant star suggest that a long-standing explanation for how giant stars spread life’s essential elements through the galaxy may be incomplete. Starlight pushing on gra ...

You are watching a long-held idea in stellar physics face serious scrutiny. Researchers at Chalmers University of Technology, working with colleagues at the University of Gothenburg, have taken a ...

Why Oxygen-Rich Stars Are a Problem That idea has always been harder to defend for oxygen-rich red giants. In these stars, dust is thought to form first as aluminium oxide, then grow into silicate ...