Planetary Alignment Myth
A NASA scientist de-bunks the myth that an alignment of the planets affects gravity on earth.
Podcast
Rescuing the brain from sleep deprivation, too much light can be depressing, sobering news in the treatment of chronic illness, and an installment of our new series, Reality Check.
Green Rocket Propellant
A new rocket fuel, made of aluminum and ice, could have environmental benefits.
ET Weather Roundup
The weather on planet COROT-7b calls for pebble showers leading to a rocky downpour.
Podcast
Debunking 2012 doomsday hype, developing a better rocket fuel, vegetarian spiders, and the genetics of aggression in Africanized bees.
Mercury Flyby
The MESSENGER spacecraft has completed its final flyby of the planet Mercury before it goes into orbit around the planet.
Podcast
An ancient hominid skeleton revises human evolution, the MESSENGER spacecraft makes its final flyby of the planet Mercury, facial contrasts and the use of cosmetics, and why your shower isn't as clean as you thought.
Asteroid Watch
Citizens can now track nearby asteroids online or via Twitter.
Diamonds & Extinction
What really killed North America's large mammals at the end of the last ice age?
Lunar Reconnaissance Orbiter
NASA's Lunar Reconnaissance Orbiter will send back unprecedented information about our closest cosmic neighbor.
Podcast
Staring into space, assessing ocean health via satellite, teaching robots to smile, and the dangers of cancer in wildlife.
Plankton Imaging
Satellite instruments can measure the health of the ocean's tiny - but vital - phytoplankton.
Extreme Spacecraft Roundup
NASA unveils new spacecraft, large and small.
Podcast
NEWS FROM SPACE: Mercury's mystery side unveiled, to be or not to be a supernova, and the environmental considerations of expanding space exploration.
Mercury’s Surface
The MESSENGER spacecraft is giving scientists a first look at an entire half of the planet Mercury.
Comet Roundup
Comets may have provided the young Earth the molecules necessary for the formation of life.
Life Light
The way light scatters off distant planets may reveal whether life exists on them.
Podcast
COSMIC LIFE: Life on the ancient earth and beyond. The comet theory of the origins of life, how oxygen became abundant enough to support an explosion of life, a new method for locating life on other planets, and refuting the asteroid theory of dinosaur extinction.
Rockets & Ozone
Possible increases in rocket launches could affect the Earth's protective ozone layer.
Little House on the Moon
Swedish engineering students have teamed up with an artist to build a small cottage on the Moon.
Star Distance II
Astronomers calculate the distance to the furthest stars by comparing them to stars they know.