Time-lapse features a tornado birth, lightning bursts and a rare 'fluid sunset,' all in 4K resolution.
These awful things can happen when you don't clean your contacts properly
August 18, 2017, 12:12 p.m. by Melissa Breyer
Do you ever ignore your contact lens care instructions? You may want to rethink that.
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Eating at odd times might affect your skin's defense against the sun
August 18, 2017, 11:16 a.m. by Mary Jo DiLonardo
A new study suggests eating late may make you more susceptible to sunburn, aging and skin cancer.
An ancient army of algae may have shaped life on Earth as we know it
August 18, 2017, 10:59 a.m. by Christian Cotroneo
Even Darwin puzzled over the gaping blank in the planet's natural history.
Americans are taking fish antibiotics because they can't afford to see a doctor
August 18, 2017, 10:31 a.m. by Jenn Savedge
It's a creative solution that could lead to dangerous consequences.
Hearing loss when you're young could lead to dementia when you're old
August 18, 2017, 8:30 a.m. by Lloyd Alter
Too many concerts? Get your ears checked.
You can 'see' with parts of your body other than your eyes
August 17, 2017, 7:42 p.m. by Bryan Nelson
Animals like humans have photoreceptors all over their bodies. What are they sensing with these 'third eyes?'
6 surprising foods that stain teeth plus 6 that will clean and whiten them
August 17, 2017, 1:25 p.m. by Angela Nelson
It's not just coffee you should worry about.
No solar eclipse glasses? Here's what to do
Farmers' Almanac warns of brutal winter
This dog lost her best cat friend, but then kittens came to the rescue
15 not-so-dumb eclipse questions and myths
Remember that kid who invented a way to clean up ocean plastic? He's back, and it's happening
Mom may be gone, but what about all her stuff?