T. rex-like dinosaur head covered in knobby structures
The Dino That Looked T. Rex-y Long Before T. Rex 
Fossil findings shed light on a little-known group of Cretaceous-era beasts—and indicate that the combination of a large head and diminutive arms was no evolutionary fluke.
The Dino That Looked T. Rex-y Long Before T. Rex 
The Dino That Looked T. Rex-y Long Before T. Rex 

Fossil findings shed light on a little-known group of Cretaceous-era beasts—and indicate that the combination of a large head and diminutive arms was no evolutionary fluke.

Fossil findings shed light on a little-known group of Cretaceous-era beasts—and indicate that the combination of a large head and diminutive arms was no evolutionary fluke.

argentina
Vicu&ntilde;as <em>(Lama vicugna)</em> run across the plains in San Guillermo National Park, Argentina.
How Mange Remade an Ecosystem
Shawna Williams | Jul 5, 2022
A study traces the effects of a mite outbreak from the earth to the heavens.
mummy
Scratchy Scalps Help Glue Together Pieces of an Ancient Past
Chloe Tenn | Dec 29, 2021
Scientists find human DNA preserved in lice cement from the heads of South American mummies.
orange and blue cell image
Woman’s Body Appears to Rid Itself of HIV
Chloe Tenn | Nov 18, 2021
Researchers report what appears to be the second case of a person’s immune system clearing the virus on its own.
black and white image of an open combination lock with a globe in the middle
As Plan S Takes Effect, Some Anticipate Inequitable Outcomes
Alejandra Manjarrez | Aug 3, 2021
The plan’s signatories seek to make the results of their funded research available to all, but some scientists say the transition to open access has led to climbing publication fees and could exacerbate global disparities.
Argentina, wildfire, climate change, field research, fire, primates, primatology, ecology, environment
Argentinian Field Site Devastated by Fire
Amanda Heidt | Oct 15, 2020
Roughly half of the howler monkeys in the research preserve have died or remain unaccounted for. Scientists had been studying them for more than 30 years. 
Australian Scientist and Her Sister Found Dead in Argentina
Ashley Yeager | Jan 28, 2019
The nephew of Lily Pereg, a microbial ecologist at the University of New England in Australia, has been arrested on homicide charges.
Science at a Premium
Kerry Grens | Mar 14, 2015
Although research supplies are exempted from Argentina’s import restrictions, regulations for bringing materials into the country are hampering science nonetheless.