Four fossil skulls
South African Hominin Fossils Predate Lucy, Analysis Suggests
A newer dating technique using cosmogenic isotopes finds Australopithecus remains from the Sterkfontein caves to be about 1 million years older than previous estimates, potentially changing scientists’ understanding of humanity’s origins.
South African Hominin Fossils Predate Lucy, Analysis Suggests
South African Hominin Fossils Predate Lucy, Analysis Suggests

A newer dating technique using cosmogenic isotopes finds Australopithecus remains from the Sterkfontein caves to be about 1 million years older than previous estimates, potentially changing scientists’ understanding of humanity’s origins.

A newer dating technique using cosmogenic isotopes finds Australopithecus remains from the Sterkfontein caves to be about 1 million years older than previous estimates, potentially changing scientists’ understanding of humanity’s origins.

origins
man in suit
Paleoanthropologist Richard Leakey Dies at Age 77
Chloe Tenn | Jan 3, 2022
The Kenyan fossil finder is known for his discoveries of various Stone Age artifacts and ancient human skulls and skeletons.
Illustration of a female scientist on a laptop sitting on top a large pill capsule, with science-related imagery around her
Opinion: Scientists Must Combat Scientific Dogmatism
Ahmed Alkhateeb | Sep 23, 2021
Correcting misinformation and providing reliable data are collective responsibilities of the research community.
Ten Minute Sabbatical
Emily Cox and Henry Rathvon | Jul 1, 2021
Take a break from the bench to puzzle and peruse.
shinkai submersible
Elusive Asgard Archaea Finally Cultured in Lab
Nicoletta Lanese | Aug 12, 2019
The 12-year-long endeavor reveals Prometheoarchaeum as a tentacled cell, living in a symbiotic relationship with methane-producing microbes.
Dog Origins Disputed
Karen Zusi | Dec 17, 2015
A genomic study suggests that dogs diverged from wolves in Southeast Asia 33,000 years ago, contrary to reports placing their origins elsewhere on the continent.
Three Origins for Rice?
Karen Zusi | Nov 3, 2015
Rice was domesticated three separate times across Asia, a new study suggests.
Dogs Originated in Central Asia
Karen Zusi | Oct 21, 2015
Man’s best friend was domesticated near Nepal and Mongolia at least 15,000 years ago, according to a genetic analysis.
Life Before 4 Billion Years Ago?
Jef Akst | Oct 20, 2015
A new estimate of the origin of life on Earth pushes back the date by 300 million years.
Cancer Kismet
Jenny Rood | Apr 1, 2015
Fate mapping allows researchers to follow cancer progression from its cell type of origin.
Bacteria Breed Multicellularity?
Hayley Dunning | Aug 15, 2012
A single-celled relative of animals forms colonies when exposed to a bacterial product, hinting at the possible origins of multicellularity.
What lab mice are made of
Megan Scudellari | Jun 2, 2011
The most detailed genetic maps to date of classical lab mouse strains reveal limited genetic diversity and overwhelmingly originate from a single species of domestic mouse, the researchers report.