Webb telescope captures a young giant star firing off an 8-light-year gas jet, and revealing how massive stars form.

When the "little red dots" were first discovered in 2022, scientists thought the objects might be galaxies as mature as the Milky Way, which is about 13.6 billion years old. That's because galaxies ...

However, compared to regions dense with galaxies, the matter density here is markedly below average, making them the emptiest ...