A private space plane has
arrived at a NASA
facility in California to
undergo tests that will
help vet its ability to
ferry astronauts to and
from the International
Space Station.
HOUSTON
â
Charles Bolden, NASA's
chief and a
self-described dreamer,
says there is a line
between dreams and
reality when it comes to
what the space agency can
do, especially in light
of current budget
constraints.
The moon generated a
surprisingly intense
magnetic field until at
least 3.56 billion years
ago, 160 million years
longer than previously
thought, a new study
reports.
A new stem cell discovery
has reawakened
controversy about human
cloning
â
though technical
challenges mean
scientists are far from
being able to create
human babies as in
Michael Bay's 2005 sci-fi
flick "The Island."