News
Melting glaciers reveal 1,700-year-old weapons used by...
Archaeologists in Norway have found a handful of weapons and hunting blinds used by people more than 1,000 years ago.
How rare are shooting stars?
Here's the science behind "shooting stars" and the best way to spot these meteors.
Bus-size asteroid flies by Earth today. Watch it live.
You can watch a big asteroid make a safe flyby of Earth today (March 13) from any spot with good internet access.
Why daylight saving time starts Sunday
Don't forget to move your clock forward an hour overnight Saturday (March 12), as daylight saving time begins Sunday.
Glaucoma: Cause, symptoms, treatment and prevention
Glaucoma is an eye condition in which a buildup of fluid damages the optic nerve and can lead to blindness.
Carbon: Facts about an element that is a key ingredient...
Carbon is one of the most abundant elements and forms a very large number of compounds, including carbon dioxide, carbon monoxide...
Copper: Facts about the reddish metal that has been used...
Here's a look at the element copper, including its atomic structure, history and uses today.
Escaped petting zoo camel attacks and kills 2 men in Tennessee
A camel attacked and killed two men outside of Memphis, Tennessee, after escaping a petting zoo Thursday (March 10).