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 ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A red giant star will consume planets close to it, but leave others just right for life. . | ...