A human brain at the Institute of Experimental Medicine of Hungarian Academy of Science in Budapest March 16, 2011.
Facebook CEO Mark Zuckerberg delivers the keynote address at a Facebook developers conference in San Jose, California, May 1, 2018.
A super blue blood moon rises behind the 2,500-year-old Parthenon temple on the Acropolis of Athens, Greece, on Wednesday, Jan. 31, 2018.
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