The Falcon Heavy would deliver bigger payloads to orbit or deep space
FDA approval for pharmaceuticals being developed and tested that treat--and prevent--radiation sickness is years away
Researchers have developed a technique for using polymer-based nanoparticles to dissolve infectious bacteria's protective outer membranes so they cannot morph into more dangerous forms
Two recent large studies reflect growing evidence that ADHD increases children's risk for abusing tobacco, alcohol and other drugs when they are older. It remains a mystery whether the link is causal...
Some radioactive contaminants could be filtered out or allowed to decay, whereas others would pose more serious long-term problems
Corrugations in the giant planets' rings seem to trace back to recent comet impacts, both seen and unseen, in decades past
With the promise of two new drugs to fortify the current treatment protocol, doctors see promise of a better-tailored cocktail, similar to HIV treatments, to beat back this common and often debilitating infection...
The Yahoo! Labs scientist and author explains why the "law of the few" is bunk, why history is full of failed hedgehogs, and why we can't make good predictions about just those things we most want to predict...
A geometric drawing by da Vinci contains an error, as revealed by Dutch mathematician and sculptor Rinus Roelofs
Vegetation change underway in boreal forests as a result of climate change creates a feedback loop that prompts more warming, scientists say
For starters, retrofits could make U.S. reactors safer--and maybe even make nuclear power more palatable
One of the troubled Fukushima Daiichi reactors contains a blend of uranium and plutonium fuel that may soon find use in the U.S. Does it pose more risks than standard uranium fuel?
His discovery that some seven-dimensional spheres look different under the lens of calculus spurred decades of research in topology
A collection of thousands of stone artifacts supports the theory that established human groups were spreading across North America long before Clovis technology emerged
The Relativistic Heavy Ion Collider has produced several nuclei of the antimatter counterpart to helium 4
Generally, bots have proved effective operating in high-radiation environments, but Japan's nuclear crisis poses new challenges
The next generation of reactors in the U.S., up for review by the Nuclear Regulatory Commission, are meant to provide cooling even in the absence of power
A series of major earthquakes have struck beneath the Pacific Ocean in less than a year and a half. Could the U.S. west coast be next?
Exposed fuel pools and low-pressure readings at the Fukushima Daiichi plant suggest growing hazard levels there, raising serious concerns about the course of the crisis
Day-to-Day Satellite Photos Reveal the Unfolding Crisis at the Nuclear Power Plant in Japan [Slide Show]
Aerial views of the damage at the Fukushima Daiichi power plant from March 12 to March 17 show signs of the chaotic sequence of events ranging from explosions to fires