Earth's Moon: Formation, Composition and Orbit

Scientists say a giant impact knocked off the raw ingredients for the moon off the primitive molten Earth and into orbit.
Read More
Mars Moon Double-Take: What Would Martian Skywatchers See?
This illustration shows how big the moons of Mars appear from the surface of Mars, compared to the size of Earth's moon as seen from Earth's surface. Deimos (far left) and Phobos are shown together as they actually were photographed by NASA's Mars rover C
January 28th, 2015
The stars and constellations seen from Mars would be similar to those seen from Earth, but the Red Planet's two moons would be quite a sight for Martian explorers.
Read More »
Is Moon Mining Economically Feasible?
NASA Moon with Labels
January 7th, 2015
The moon harbors lots of potentially valuable raw materials, but it's hard to pinpoint one that will drive an entire extractive industry, experts say.
Read More »
Moon-Mining Company to Use Historic Florida Launch Complex
Aerial view of Space Launch Complex 36 at Florida's Cape Canaveral Air Force Station. Moon Express will be using the historic site for spacecraft development and flight tests.
January 23rd, 2015
Moon Express, which seeks to extract and exploit lunar resources, will base its spacecraft development and flight-test operations at Space Launch Complex 36, a facility at Florida's Cape Canaveral Air Force Station.
Read More »
'Stretched Out' Alien Planets Could Be Seen with New Telescopes
Artist’s concept of a stretched-out rocky planet closely orbiting a red dwarf star. There is a difference in the strength of the gravitational field on each side of the planet so close to the star, stretching the world significantly.
December 30th, 2014
Rocky, close-orbiting exoplanets may be stretched out by their parent stars' gravity, researchers say. Such worlds would be extremely hot and and likely inhospitable to life.
Read More »
Google Lunar XPrize Milestone Awards Announced
SpaceIL Google Lunar XPrize spacecraft concpetion
January 26th, 2015
Five teams just hit their milestones — totaling more than $5 million — in the race for the Google Lunar XPrize.
Read More »
Magnetic Fields of Asteroids Lasted Hundreds of Millions of Years
An image of the Esquel meteorite, a pallasite that consists of gem-quality cystals embedded in metal.
January 21st, 2015
These rocky bodies' magnetic fields were apparently generated by the same process that drives Earth's global magnetic activity and could have persisted for hundreds of millions of years after the objects' formation, researchers said.
Read More »
The First Christmas in Space: An Apollo 8 Holiday History
The iconic 'Earthrise' image was captured by astronauts during NASA's Apollo 8 mission on Dec. 24, 1968.
December 24th, 2014
Nowadays, astronauts on the International Space Station can record video messages, talk with their family on the ground and have holiday parties in orbit. But the first Christmas humans spent in space, back in 1968, was a little different.
Read More »