Fossil suggests evolutionary order requires revision
Chaos and bureaucracy hamper assessment of nuclear crisis
Six months after the disaster that caused three meltdowns, efforts to stabilize the Japanese nuclear power plant continue
A NASA mission looks for extra time to battle stellar noise
Mechanism by which microbes scrub radioactive contamination revealed
Analysis suggests genetic mixing occurred in Africa around 35,000 years ago
Scientists have made reprogrammed stem cells from an endangered rhinoceros and a monkey
The National Center for Advancing Translational Sciences needs to be written into the still-unfinished 2012 federal budget
The planet is conveniently close, and an extreme laboratory for atmospheric processes familiar on Earth. So why won't NASA send a mission there?
Hominins with different toolmaking technologies coexisted
Identification of suspect substances depends on reference materials that are in short supply
First non-avian reptile sequence helps explain vertebrate evolution
Probiotics affect behaviour and brain chemistry
U.S. Institute of Medicine finds "very little evidence" of serious harm
Experiment probes connection between climate change and radiation bombarding the atmosphere.
The survey of 650 respondents in 12 countries included a pressure to publish and a struggle to maintain a work-life balance, especially for academics who are parents.
An unprecedented study in Bangladesh could reveal how malnutrition, poor sanitation and other challenges make their mark on child development