Marcos Pivetta
Atmospheric sciences
From Tonga to São Paulo
Smoke from January’s major volcanic eruption on the Pacific island was observed 27 kilometers above the city of São Paulo
ASTROPHYSICS
Devourers of worlds
At least a quarter of Sun-like stars may have swallowed Earth-like planets
ASTROPHYSICS
Star fossil
New survey of celestial bodies finds rare and ancient star over 10 billion years old
Biology
The colors and songs of evolution
Varying plumage hues and song patterns lead to the formation of new species in certain bird groups
By Marcos Pivetta and Eduardo Geraque