Artificial light has transformed the night sky, a change researchers continue to link to health problems.
Fabio Falchi et al
Study uses satellite data to add to growing evidence that nighttime light exposure raises risk of breast cancer, with the strongest link among young women.
With terrorists striking again in Spain and in Finland, one cannot help but ask -- again -- why people want to follow the Islamic State. Some new theories are emerging.
Religious values, deeply rooted in texts, serve as an important motivator for giving. Religious Americans volunteer more, give more, and give more often.
Pedestrians ensure their safety by making eye contact with human drivers. Autonomous cars will have to communicate with nearby people in other ways.
More and more states are passing legislation requiring that students and faculty be permitted to carry concealed weapons on campus. But shouldn't universities have a choice when it comes to campus safety?
Why is it so hard to reach consensus about how to slow climate change? Multiple time lags get in the way: some make it hard to convey the risk, while others prolong the search for solutions.
Joseph Smith, founder of Mormonism, taught that a righteous man could help numerous women and children go to heaven by being 'sealed' in plural marriage. Norms have been revised, but tensions remain.
The loyalty of Venezuela’s soldiers is getting shaky. History shows from the Arab Spring to Latin American coups, when the military withdraws support for a leader, a fall from power is imminent.
With Obamacare in peril and no health care plan in sight, it's logical to ask whether states could design their own single-payer health insurance plans. Efforts in California show why it's unlikely.
As Canada moves towards legalization of cannabis in 2018, there is growing evidence of the drug's potential to treat opioid addiction itself, as well as the chronic pain that often drives it.
In recent years, the number of people traveling to sites of death, natural disaster, acts of violence, tragedy and crimes against humanity has dramatically increased. Is it immoral?
The sun was worshiped as a deity in many cultures – and witnessing it get extinguished could be a particularly terrifying event.
Giving labor unions a financial stake in a company such as a newspaper can offer unique advantages that could benefit employees, society and the bottom line.
A multibillion-dollar effort is just beginning to build an all-new nationwide wireless broadband network for emergency responders. How will it work, why do we need it and how will it last 25 years?
The Trump administration's decision to dismiss or accept a government-prepared climate report will have life-or-death consequences, says a climate scientist involved in the previous report.
Here's what research actually says about differences between males and females – and the question of what's innate and what's acquired.
Over the past 100 years, discarded and secondhand goods have been used by artists to reject mainstream aesthetics.
Perhaps no one entertainer from the 20th century influenced pop culture as much as Elvis. And yet, by his own admission, the King turned to food for comfort. Here's why food takes on added meaning.
The partition of India led to a genocide that was unprecedented in scale. How far was one man, Lord Mountbatten, who hurriedly drew the new borders, responsible?
A former Department of Defense and State Department official explains why a hardline approach on North Korea will likely fail, as it did with Iran.
The Russian cyberthreat goes back over three decades, extends into the country's educational systems and criminal worlds, and shows no signs of letting up.
A new study shows that anchovies – key food for larger fish – are attracted to plastic trash because it smells like food. This suggests that toxic substances in plastic could move up through food chains.
School can always be stressful, but starting high school for the first time comes with its own fears and anxieties. Here's some simple advice for parents to help their freshmen navigate the new year.
At midnight on August 15, 1947, India achieved freedom from more than two centuries of colonial rule. Hours earlier, Pakistan was declared a new nation. Was partition inevitable?
In the first study of the relationship between gender and national identity, the authors wonder if the answer might explain why the country still hasn't had a female vice president or president.
Some fear that recent actions against China taken by the Trump administration mean we're on the verge of a trade war. What would be the cost?
Slaves were involved in medical experimentation in the 1700s – both as sources of knowledge and as nonconsenting participants.
For colleges and universities that lack the multi-billion-dollar endowments of schools like Harvard, the mere threat of legal action may be enough to put an end to race-conscious admissions policies.
About one in 10 Americans say they sometimes smoke, often in social settings. Many think it's not so bad for them. A new study has some scary findings, when it comes to matters of the heart.
Humanity is the real target for these recordings which continue to inspire us to better understand ourselves and our place in the cosmos.
China has started exporting cooked chicken meat to the United States. Is it safe to eat? An agriculture extension specialist discusses possible concerns about food safety and contamination.