An Archaeopteryx fossil with soft tissue reveals flight features and offers fresh support for Darwin’s theory of evolution.

Behind the stillness of desert landscapes, cacti appear to be changing in unexpected ways. The cactus on your windowsill may ...

My colleague and I have published a new study of cactus flowers which may help explain the conundrum. For more than a century ...

Scientists discover that fast-changing cactus flowers, not size or pollinators, are behind the rapid evolution of new cactus species.

My colleague and I have published a new study of cactus flowers which may help explain the conundrum. For more than a century ...

Explore the world's oldest forests, from Australia's 180-million-year-old Daintree to Japan's Yakushima with trees over 7,000 years old, each offering unique ecosystems and wildlife.

T he blooming of a titan arum, or corpse plant, is a spectacle like none other in the plant world. A pale spike resembling ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

A team of researchers looked at changes in tree richness across the lowland and montane forests of the Andes and Amazon over the last four decades. While their results didn’t show an overall shift in ...

A monkey descending a tree trunk often keeps its head up, moving almost like a cautious climber backing down a ladder. Squirrels and many other mammals, by contrast, tend to go headfirst. That ...

This is read by an automated voice. Please report any issues or inconsistencies here. A new paper from Caltech reveals how a type of rove beetle turns off its own pheromones — and steals them from ...