What age is considered old?
Scientists make 'goldene,' an ultra-thin version of gold
Pyrite, known as fool's gold, may now be a real treasure
Need to relax? Playing with a dog reduces stress, new study suggests
These are the actual age ranges for Millennials, Gen Z, Gen Alpha and more
World’s oldest known lipstick dates back to the Bronze Age
Study links being musical to better brain health as you age
Do opposites attract? New research suggests that's not usually the case
New NASA images from X-ray telescopes show pulsar's 'ghostly hand'
Study shows that pigeons use a learning technique similar to AI
Whitefish species declared extinct is now confirmed to be alive
Study finds that tweens and teens get up to 4,500 phone notifications a day
Turmeric could help treat indigestion, new study suggests
Scientists discover mystery ‘golden egg’ on ocean floor
Brain implants with AI are helping two nonverbal people speak again
Scientists extract plant DNA from 2,900-year-old clay brick
Study finds mouth rinse can spot risk for early heart disease
Post-menopausal female orcas protect their sons, research suggests
Scientists discover a two-faced dwarf star
Hearing aids may lessen dementia risk, new study finds
How much heat is too much for the human body?
The universe is much older than we thought, new research suggests
BMI alone doesn't accurately predict life expectancy, new study finds
Study finds universe is 'bobbing' on an ocean of gravitational waves
Painting suggests people in Pompeii ate a pizza-like dish
Dolphins use 'baby talk' with their calves, just like humans
Dogs who have a canine companion at home may be healthier, study says
Study shows cats will sit in boxes even if they're an optical illusion
Key ingredient needed for life is discovered on Saturn moon
Brain and spine implants enable man with paralysis to walk again
New study says mushrooms may be communicating more after rain
Scientists capture the 'world's deepest fish' on camera
Ultramassive black hole found is one of the largest ever
Scientists find new source of water on the moon
Report shows travelers want a 'nothing-cation' after the holidays
Dogs shed tears of joy when they reunite with owners, study finds
Study finds neighborhoods with dogs are safer
New study offers insight into how dogs think
Parents get the least sleep when their kids are these ages, according to this study
This research study says cats mirror their owners' personalities
Single Moms Spend Less Time on Chores And Get More Sleep, Study Finds
Goats do not like your grumpy face—they prefer smiles, according to a study