Main content
Why NASA chief wants to make Pluto a planet again
Pluto was a planet until 2006 when scientists re-classified it. (Image: Getty)
Duration:
This clip is from
More clips from Today
![]()
What's behind the renewed fascination with aliens in US?
Duration: 05:40
![]()
Could we lose half of the world's languages?
Duration: 05:26
![]()
Today's Babies: Health Visitors
Duration: 06:23
