Conditions on the “Goldilocks” world may be just right for life.
A cloud of plasma from the sun could cause communications blackouts.
Kepler-56 will devour two of its planets as it balloons into a red giant.
National Research Council says a steady hand and lots of money is the only way for NASA to fulfill its quest for Mars.
Red dwarfs are the most common stars in the universe, but their solar winds may blast a planet’s atmosphere into space.
Research shows bacteria and other Earth microbes can survive on spacecraft.
Lunar orbiter had finished its 100-day mission last month and was on overtime.
Astronomers say a planet that is rotated on its axis may have a better chance of sustaining life.
Kepler-186f is a rocky planet that orbits a red dwarf star 500 light years away and exists in the Goldilocks zone, where conditions for life may be just right.
According to health and ethic experts, NASA should set up ethical rules regarding health of astronauts on long space flights.