04 December 2012, 06:20 AM ET
Contrary to speculation, the space agency's ambitious plans have not been cleared by the president yet.
04 December 2012, 06:20 AM ET
On-demand printing would allow astronauts to repair broken parts, manufacture spare ones and maybe even build structures, all out of the dirt scooped from under their boots.
03 December 2012, 09:19 AM ET
The Apollo 1 is pictured after an electrical spark ignited the environment, killing the crew.
01 December 2012, 12:07 PM ET
See amazing photos of Jupiter and the moon during a dazzling conjunction on Nov. 28, 2012.
30 November 2012, 01:00 PM ET
If you're planning to skywatch this December, this video will take you through some of the notable objects in the sky this month, including a meteor shower, large asteroids in the asteroid belt, and an array of constellations.
29 November 2012, 05:50 PM ET
Mercury is the closest planet to the sun, yet still has shadowy secrets.
27 November 2012, 05:03 PM ET
Lunatics aside, the moon doesn't make us crazy.
26 November 2012, 11:35 AM ET
Crescent Moon is aglow with stunning eartshine in night sky photo.
21 November 2012, 02:26 PM ET
While the Moon always keeps the same face to Earth, its not exactly the same. The tilt and shape of the Moon's orbit slightly changes what is visible to us. When you speed a month up to 24 seconds as in this video, our Moon appears to wobble.
20 November 2012, 07:00 AM ET
Moon water could be transformed into propellant, fueling forays toward destinations in deeper space such as Mars.
19 November 2012, 04:39 PM ET
A space station beyond the moon's far side could help humanity dip its toes in deep space.
15 November 2012, 11:41 AM ET
The Hinode space probe captured the movement of the moon in front of the sun on November 13, 2012. The spacecraft, a collaboration between the space agencies of Japan, the United Kingdom, and the United States, orbits the Earth while facing the sun.
15 November 2012, 07:35 AM ET
The moon, Red Planet Mars and red supergiant star Antares shine in the photo by Tunc Tezel.
09 November 2012, 04:47 PM ET
The rocket that launched men to the moon was first tested in 1967.
08 November 2012, 03:31 PM ET
Galileo discovered Io, Ganymede, Europa and Callisto, Jupiter’s four largest moons in 1610. Even today their varied characteristics fascinate astronomers. From giant volcanoes to sub-surface seas, Jupiter's moons are like planets unto themselves.
07 November 2012, 02:29 PM ET
This video, created by Michael Zeiler for his eclipse iBook, animates the path of the upcoming November 13 and 14 solar eclipse as it moves over Cairns, north Queensland in Australia and across the southern Pacific Ocean.
06 November 2012, 12:54 PM ET
Scientists are looking at the moon's Linne Crater as something of a case study.
02 November 2012, 10:48 AM ET
The full moon at the end of October is called the "Hunter's Moon."
31 October 2012, 07:01 AM ET
A conjunction between the planet Jupiter and Earth's moon will occur this week.
29 October 2012, 05:32 PM ET
The largest dark spot on the moon has been a puzzle to scientists.
29 October 2012, 02:31 PM ET
Live telescope views of the full moon and other celestial "scary" sights will be on show.
19 October 2012, 02:03 PM ET
The moon is about one-fourth as big as Earth, relatively large for a planet's satellite.
18 October 2012, 01:08 PM ET
The half-dozen icy satellites may have been spawned by a merger of bigger bodies that created Saturn's huge moon Titan.
17 October 2012, 03:39 PM ET
A researcher at the Southwest Research Institute has constructed a moon-making scenario in which an object 4 or 5 times the mass of Mars collided with young Earth. A Mars-sized impactor was previously predicted.
17 October 2012, 03:01 PM ET
Two new studies bolster the theory that the moon formed after a giant impact between two planets.
15 October 2012, 07:00 AM ET
Glass beads in moon rocks revealed a link to the sun.
10 October 2012, 04:29 PM ET
Amateur astronomers Gianluca Masi and Francesca Nocentini created this brief video of asteroid 2012 TC4 as it approached a near-Earth flyby on October 8th, 2012. The asteroid will come closest on October 12.
10 October 2012, 11:19 AM ET
The two brightest objects in the sky may be visible as you wait for your train or bus.
10 October 2012, 05:30 AM ET
Tne 2012 supermoon puts a stunning spotlight on star trails over field of flowers.
09 October 2012, 12:41 PM ET
The Moon likely formed 4.5 Billion years ago as a Mars-sized body smashed into Earth (so compositions are similar). Lunar tidal forces encouraged life to flourish in the oceans. The Moon absorbed many asteroid impacts that threatened Earth's life.
08 October 2012, 06:58 AM ET
The proposed project is a joint effort of Europe and Russia.
28 September 2012, 03:31 PM ET
99% the diameter of Mercury but only a third of Mercury's mass, what lies beneath deep beneath Callisto's pockmarked surface may surprise you. And it's probably the best place to base future explorations of the Jupiter system.
28 September 2012, 01:00 PM ET
The Slooh Space Camera will be webcasting live feeds from observatories around the world.
28 September 2012, 06:57 AM ET
This month's full moon has traditionally helped farmers work late into the evening gathering their crop.
24 September 2012, 11:46 AM ET
The largest public meteorite auction ever held opens in Manhattan in October.
21 September 2012, 07:00 AM ET
Spectacular crescent moon hangs in night sky photo.