27 September 2012, 06:14 PM ET
NASA's Mars rover Curiosity has discovered dried-up signs of an ancient stream on the Martian surface.
14 September 2012, 02:03 PM ET
Astronomers searching for another Earth are getting closer, thanks to recent discoveries by the Kepler space telescope.
12 September 2012, 03:13 PM ET
See how the historic first manned moon landing worked in this infographic about Apollo 11.
31 August 2012, 04:26 AM ET
Thought to be called "blue" after an old english term meaning "betrayer," a Blue Moon is an extra full moon that occurs due to a quirk of the calendar.
28 August 2012, 06:30 PM ET
For the first time, scientists studying data from the Kepler Space Telescope have found multiple planets orbiting a binary star.
23 August 2012, 07:16 AM ET
See how twin NASA spacecraft will look inside Earth's radiation belts in this infographic.
23 July 2012, 03:49 PM ET
The mountain-climbing rover heads for Mount Sharp, rising 3 miles (5 kilometers) above Gale Crater.
20 July 2012, 03:39 PM ET
Japan's H-2 Transfer Vehicles are disposable cargo ships that carry supplies to the International Space Station.
11 July 2012, 01:33 PM ET
Dwarf planet Pluto has one giant moon, Charon, but now is known to have four more tiny satellites.
11 July 2012, 10:20 AM ET
Learn all about Pluto's weirdly eccentric orbit, four moons and more in this infographic.
06 July 2012, 05:13 PM ET
From July through August, planet groupings in the pre-dawn and dusk skies will impress skywatchers around the world.
28 June 2012, 07:59 AM ET
From its station near Venus’ orbit, Sentinel will have a clear view of Earth’s orbit while looking away from the of the sun.
21 June 2012, 02:41 PM ET
Two planets in the newly discovered Kepler-36 system approach each other so closely, one appears three times the diameter of Earth's moon in the other's sky.
19 June 2012, 04:31 PM ET
Our home in space is a vast galaxy containing 400 billion suns, at least that many planets, and a 4-billion-solar-mass black hole at the center.
15 June 2012, 02:01 PM ET
China's three-person Shenzhou 9 crew will test techniques for docking and inhabiting the Tiangong space laboratory.
15 June 2012, 01:26 AM ET
See how China's first space station will be assembled in orbit in this infographic.
14 June 2012, 03:16 PM ET
In the coming years, commercial space ventures hope to send robot space probes to mine valuable material from the asteroids.
08 June 2012, 01:25 PM ET
By focusing X-rays, the NuSTAR space telescope will study black holes and other exotic objects.
08 June 2012, 07:07 AM ET
NASA's Mars rover Curiosity, also called the Mars Science Laboratory, is the largest rover ever sent to Mars. See how the Curiosity rover works in this infographic.
07 June 2012, 10:38 AM ET
The northern lights are more formally known as auroras, and are caused by interactions between the solar wind and the Earth's magnetic field.
05 June 2012, 06:45 AM ET
If you miss the June 2012 transit of Venus across the sun, you won't have another opportunity until the year 2117.
01 June 2012, 12:00 AM ET
See tips on how to see the June 5 Venus transit of the sun in 2012, the one until 2117, in this infographic.
09 May 2012, 03:06 PM ET
You should never look directly at the sun, but there are ways to safely observe an eclipse.
24 April 2012, 04:20 PM ET
Sierra Nevada Corporation will use its Dream Chaser space plane to fly astronauts to the International Space Station. See how it works in this infographic.
24 April 2012, 01:29 PM ET
Blue Origin has revealed little about its mysterious biconic space vehicle design. See what is known in this look.
24 April 2012, 06:11 AM ET
Boeing is developing the CST-100 space capsule to ferry astronauts into Earth orbit and the International Space Station.
11 April 2012, 09:00 AM ET
See how North Korea plans to launch a new long-range rocket, which it says will orbit the country's first satellite, in April 2012 in this infographic.
06 March 2012, 07:18 AM ET
Venus, the second closest planet to our sun, is named after the Roman goddess of love and beauty. Venus is one of the brightest natural objects in the night sky.
17 February 2012, 03:38 PM ET
See how John Glenn's Mercury mission put the first American in orbit in 1962 in this infographic.
16 February 2012, 07:06 AM ET
See how the first American astronauts flew in space on NASA's Mercury space capsules in this infographic.
13 February 2012, 06:37 PM ET
President Barack Obama's 2013 budget proposal for NASA offers only a modest cut overall, but bites deep into Mars funding and planetary science.
02 February 2012, 04:34 PM ET
The workhorse Soyuz spacecraft have been flying for nearly 45 years.