Get the full story behind a $761 jar of peanut butter and other exorbitantly priced everyday objects used by scientists
The bacteria responsible for the Black Death were reintroduced to Europe multiple times, possibly due to the changing climate
A light show over Montana and an eruption snapped by a satellite feature among our picks for the week's best space images
Awareness about this animal underdog is climbing, yet an estimated 10,000 pangolins still fell victim to the illegal wildlife trade last year
You asked, we answered
A former orca trainer makes the case against the theme park
A holy war is being fought over a proposal to build a $500 million commercial development, on the rim of America's natural treasure
Once nearly extinct, the subspecies is set to return to the United States
Steve Irwin's wife and kids are feeding the debate over keeping animals in captivity
The answer to the question, says a Smithsonian researcher, is more about why we dig, than how low you can go
A new breed of the hyper-accurate clocks could help scientists detect the elusive ripples in space-time faster and cheaper
Whether you're shopping at the mall or online, having the munchies will compel you to purchase extraneous things
Experiments in mice show that misaligned eating patterns can mess with the brain's ability to form memories and learn new tasks
Researchers are designing portable microscopes that cost just a few dollars to make
Spinning twin tails at the end of moth wings garble bats’ sonar cries, causing the winged predators to miss the tasty mark
A Colorado company is working to genetically engineer petunias that change colors throughout the day
A lucky lens and a pair of mismatched star twins feature among our picks for the week's best space images
Like carbon, the treat can take on many crystalline forms, so a master chocolatier must know how to temper it in just the right way
We’ve learned things that could help today’s artisan chocolatiers improve their trade
Climate models predict that the region will be drier than the droughts that likely caused ancient Native Americans to abandon their pueblo cities
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