There are 26 letters in the alphabet, and this quiz features 26 questions, each linked to a place somewhere on the world map. Your challenge is to correctly name world countries by letter and test ...

New research published in Nature Ecology and Evolution reveals significant recent shifts in tree diversity among the tropical ...

Sea-level rise has accelerated across Africa in recent decades, thanks to global warming and, in particular, to the melting ...

Scientists have long opposed polar geoengineering. Some now believe it will be necessary.

Titan looks hostile and alien. But it avoids some of the biggest problems that stop humans elsewhere. That is why scientists keep coming back to it. Sinister cargo or message to Putin? Russian tanker ...

UPDATE: May 18, 2017, 5:06 p.m. SGT Updated with the Ministry of Education's new statement. A math question apparently meant for 7-year-olds has left adults befuddled. The bonus math question -- which ...

Herbalife (NYSE:HLF) markets a portfolio centred on nutrition and personal care, including protein shakes, vitamins, energy ...

A police officer packs up bags of methamphetamine after a news conference in Atlanta to announce the seizure of an estimated $6 million worth of the drug in 2009. John Bazemore / Associated Press ...

Abbreviations: PFS, progression-free survival; RCT, randomized controlled trial; TTP, time-to-progression. A review of anticancer drug product approvals by the US Food and Drug Administration between ...

Even as cars become increasingly sophisticated, motor oil remains the engine’s lifeblood, and caring for this fluid is vital. Fortunately, this is a rather simple task—and your car’s onboard computer ...

President Donald Trump has spoken in unequivocal terms: US oil companies are headed back to Venezuela, they’ll spend the tens of billions of dollars required to restore the country’s energy ...