Will we find ET in the next 25 years? Seth Shostak, senior astronomer at SETI, says yes. He explains that new technologies and the laws of probability make the breakthrough likely.
Chef Dan Barber tackles a dilemma facing many chefs today: how to keep fish on the menu. He chronicles his search for a fish that would please both diners and environmentalists.
Humans have been looking for the giant squid for decades. Oceanographer Edith Widder shares how innovative technology helped her capture the squid on video for the first time.
Forget chess. Poker may be even harder for a computer. But a software program has now "solved" a variant of Texas Hold'em, the bot's creators say. And nothing can keep it from winning.
A federal appeals court this week is once again weighing whether Texas restrictions on clinics that perform abortions are too onerous for women who seek the procedure. How far is too far to drive?
An HPV test could replace the Pap smear for many women, two groups of physicians say. But other doctors, including the American Congress of Obstetricians and Gynecologists, still urge dual testing.
Brain imagery can help researchers tell if people are more likely to be able to quit smoking or have trouble with reading. But those tests aren't yet ready for the doctor's office or classroom.
Rules governing who can donate blood in the United States have recently changed. But anyone who spent more than three months in the UK between 1980 and 1996 is still prohibited from donating.
A controversial offshore wind project under development in Cape Cod has lost both of the buyers for its power. Without financing, Cape Wind is missing deadlines to deliver.
A natural compound kills germs that have become resistant to antibiotics, researchers say. If it works in humans, it could help combat diseases like tuberculosis.
Japanese sushi chefs can't say no to Bluefin tuna on offer. Some American chefs can't either, even though conservation groups and marine biologists have been badgering them about Bluefin for years.
Researchers have developed a powerful method for growing human cells in the laboratory that has led to some unusual findings. Cell tests suggest a malaria drug might work against cervical cancer.
New research suggests isolating children with concussions for more than two days may do more harm than good compared to adults.
Even a brief breakup with alcohol can impart measurable health rewards, a small but intriguing experiment suggests. Indeed, the concept of a dry January is gaining traction in the U.K.
Falling gasoline prices are a benefit to motorists — but those lower prices come with a hidden cost: increased traffic fatalities.
Millions of deep-water fish die every year because of barotrauma, a condition divers know as "the bends." But scientists say so-called descending devices can help fish survive a trip to the surface.
The space firm will send a supply capsule into orbit, and then try a new way to recover the part of the rocket that carried it. If it works, the cost of going to space could reduce dramatically.
Once you become the boss, it's likely that you'll start to speak quite differently. The pitch, resonance and intensity of your speech change in ways that listeners can detect as signs of power.
President Obama in September set a formidable goal for American industry and agriculture — reduce greenhouse gases by a quarter in 10 years. But several states are ahead of the game.
Sure, you resolve to exercise more, but somehow it never happens. It could be that your environment is sabotaging you, psychologists say. A famous study about heroin and the Vietnam War explains how.