Every 30 mil years, Earth has to deal with more comet crashes from space and more intense geological activity from within. Dark matter may be the culprit in these episodes that can cause mass extinction.
Understanding public opinion can help officials target messages during a health crisis. But current survey methods aren’t good at generating representative samples. Can Twitter fill in the gaps?
The Workforce Innovation Opportunity Act, which comes into effect this summer, aims to provide access to quality career development programs for people of all age groups.
At an event that bills itself as ‘the place to preview the technology of tomorrow today,’ one of the fastest-growing, youngest and most tech-savvy segments of the population was largely ignored.
Divers at the famed Cocos site off Costa Rica record declines in a number of shark species – a sign that marine preserves are limited protection against illegal fishing.
What appears to be a peaceful transference of presidential power in Nigeria – unprecedented in the country’s history – has global significance in the fight against cultist jihadism.
A Supreme Court case could undo a key piece of the Obama’s environmental agenda, which hinges on whether the EPA should consider the costs of air pollution controls from coal plants.
Xueying Han, University of California, Santa Barbara
STEM disciplines have come to rely heavily on international students, raising questions about the direction of US immigration policy. Should international STEM graduates be encouraged to stay?
These insects are so much more than just the scourge of fruit bowls everywhere. They’re a key model system for all kinds of research that teaches us about our own brain and body systems.
The brutal mob attack on a young woman in the streets of Kabul reveals the instability of the Afghan government even after 12 years of US and NATO military support and aid.
New research shows that black patients are more likely to have heart transplants at the worst-performing centers. So how do patients choose where to go for surgery?
What do figure building competitions mean? A scholar decides to use her own body as a site for learning and comes away with fresh insights for feminism and life goals.
Despite the hyper-partisanship in Washington, there appears to be agreement that the government should do more to invest in science and technology innovation.
The ranks of labor unions have been decimated over the last half century by outsourcing and anti-union campaigns. The result has been rising inequality.
Researchers find that ice around Antarctica shrank quickly last decade, raising concerns over this buttress against melting land-based ice and future sea-level rise.
When Republicans took over Congress, many observers predicted a goodbye to gridlock. Not so fast, however. Politicians say they hate filibusters – until they want to use them.