A study published Wednesday in the journal Science suggests a huge lake of salty water appears to be buried deep in Mars, raising the possibility of finding life on the red planet.
American education officials have sought new ways to make schools more secure following several deadly shootings in recent years.
East satellite image provided by NASA taken at 20:30 UTC, shows the eye of Hurricane Maria as it nears Dominica
NASA scientist Dr. Marc Fries
The system can produce fake video of the person saying anything.
Algae floats in the water
A bumblebee flies near clover flowers
It can help people create persuasive arguments and make well-informed decisions.
Regulations ensured everyone had equal ability to get information.
A doctor holds a human brain