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Image of the Day
Evolution’s Quick Pace Affects Ecosystem Dynamics
Jef Akst | May 1, 2017
From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.
Infographic: Watching Evolution in Real Time
Jef Akst | Apr 30, 2017
Guppies transplanted between different communities in Trinidadian streams evolved in response to changes in predation threat in just a few generations.
Genetic Analysis Reveals the Evolutionary History of Dogs
Diana Kwon | Apr 26, 2017
By analyzing the genomes of 161 dog breeds, scientists discover how and when certain canine breeds emerged.
Texas Education Board Reaches Compromise on Science Standards
Kerry Grens | Apr 24, 2017
The state’s board of education approves new standards that ease up on having students dig into scientific issues relevant to “intelligent design” arguments.
New Giant Virus Group Reported
Diana Kwon | Apr 6, 2017
A genomic analysis of “Klosneuviruses” suggests that they evolved from small viruses that accumulated genetic material over time, but not all virologists are convinced.
Study: Diet Contributes to Brain Size
Diana Kwon | Mar 29, 2017
The results of a historical primate behavior analysis suggest that species with fruit-filled diets evolved larger brains.
Image of the Day: Senior Scientists
Staff | Mar 27, 2017
The aging science and engineering workforce in the U.S. can be traced back to the Baby Boomer cohort of researchers and the elimination of mandatory retirement in universities.
Dinosaur Phylogenetic Tree Shake-Up
Jef Akst | Mar 24, 2017
An analysis of 74 dinosaur species leads a group of researchers to reorganize the extinct animals’ evolutionary history.
Sharks May Have Evolved from Acanthodians
Joshua A. Krisch | Mar 14, 2017
Analysis of an ancient shark fossil provides the strongest evidence to date that modern sharks derive from a class of 400 million–year-old bony fish.
Vision Helped Ancestral Fish Adapt to Life on Land
Diana Kwon | Mar 8, 2017
“Buena vista” hypothesis suggests that changes in the sizes of eyes, rather than a shift from fins to limbs, led fish to transition to land more than 300 million years ago.