IE 11 is not supported. For an optimal experience visit our site on another browser.
  • Nebraska child's death blamed on 'brain-eating amoeba'

    02:03
  • World's largest moth species found in Washington state

    01:14
  • Droughts in Romania causing bee population and honey production to diminish

    01:16
  • Yale researchers use new technology to restore dead pig cells

    07:07
  • Dr. James Lovelock, scientist who created Gaia theory, dies at 103

    02:27
  • 'Lost Person Behavior' science helps search teams look for missing people

    05:08
  • Marine scientists reveal how sharks have changed over 50 years

    04:17
  • NASA's Webb Telescope marks a bold new era of space exploration 

    02:40
  • The new images of space are stunning but what are we looking at?

    02:06
  • Astrophysicist Neil deGrasse Tyson breaks down new telescope images released by NASA

    04:35
  • See the groundbreaking pics from NASA's most powerful telescope

    01:57
  • Hadron collider scientists discover three subatomic particles never seen before

    07:31
  • NASA, Biden unveil first image from James Webb Space Telescope

    02:30
  • Researchers are working to grow fruits and vegetables in space

    05:13
  • Now Playing

    Early human fossils found in South African cave dated one million years older than suspected

    03:03
  • UP NEXT

    How this high-tech batting cage is getting kids involved in STEM

    03:49
  • Did Chinese researchers pick up signals from alien civilizations?

    01:58
  • The search is on for woman rejected from NASA 60 years ago

    03:25
  • Chicago ‘rock’ stars discover space rocks at bottom of Lake Michigan

    03:02
  • NASA to join the search for answers about UFOs

    02:37

Early human fossils found in South African cave dated one million years older than suspected

03:03

Fossils of early human ancestors found in South African caves are now thought to be between 3.4 to 3.6 million years old, one million years older than previously suspected. NBC News’ Isa Gutiérrez looks at a new fossil dating technique created by a geology professor at Purdue University and a team of international scientists.