Illustration of the underlying astrophysical processes that suppress star formation in red geyser galaxies, according to this new study. Galaxy interactions transfer cool gas clouds that fall into ...

By tracking individual stars and exploding supernovas, astronomers discovered the strength of early ultraviolet glow ...

Astronomers have long puzzled over how some massive galaxies stop forming stars and remain dormant for billions of years—even when they still contain gas that could, in principle, fuel new stars. A ...