A recent study published in the journal PLOS One shows that though these animals generally seem like happy-go-lucky, cheerful creatures, they can be pessimistic, too.

The first British volunteer of a new Ebola vaccine made by GlaxoSmithKline has been injected in a fast-tracked safety trial.

Recent studies have shown actress Angelina Jolie had an immediate impact on women after revealing she had undergone a preventative double mastectomy.

Rising rap star Iggy Azalea will enter a legal warfare with her ex-boyfriend over music she recorded early in her career. The ex is reportedly making deals to release her unreleased songs, and he allegedly also has a sextape of the two.

Craigslist thrill killers Miranda and Elytte Barbour were both sentenced to life in prison without parole on Thursday. The couple entered guilty pleas in Northumberland County last month.

The Obama administration has weighed in on the health crisis caused by drug-resistant bacteria, unveiling a national strategy to aggressively fight the microbes and calling for the production of new antibiotics. President Barack Obama signed an executive order Thursday asking key federal departments to aid in combating drug-resistant strains.

For the third year in a row, the growth of Antarctica’s sea ice will likely hit a new record this month. But, enigmatically, at the opposite end of the world, Arctic sea ice remains depleted and is expected to show the sixth lowest September minimum ice extent on record, according to Climate Central.

The M60-UCD1, discovered by NASA’s Hubble Space Telescope in 2013, is one of the smallest known galaxies. But now the space agency has discovered that the dwarf galaxy is harboring a “monster” black hole. The diameter of M60-UCD1 is about 300 light years – just 1/500th of our galaxy’s width. However, it is packed with 140 million stars, which also …

Fish and Wildlife officers have shot and killed a cougar that was on the grounds of the South Health Campus. Police said the big cat was at a spot very close to an entrance of the hospital.

Costco Wholesale Corp., the largest U.S. warehouse-club chain, will stop accepting all American Express Co. cards in Canada on Jan. 1 after a breakdown in negotiations between the two companies.

The Old Farmer’s Almanac has revealed its predictions for Canada’s upcoming winter season, and it’s not great news. After last winter’s seemingly never-ending wickedly cold weather, residents in much of the country can expect more of the same in the coming months.