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30 April 2013, 07:14 PM ET
The world's time zones and hemispheres are divided into east and west by the prime meridian at the Royal Observatory in Greenwich.
30 April 2013, 06:56 PM ET
Canadian Space Agency astronaut Chris Hadfield helped Canada launch a new $5 bill from orbit.
30 April 2013, 06:56 PM ET
The Long March rocket's primary payload was a high-resolution Chinese Earth-observation satellite.
30 April 2013, 06:43 PM ET
In Friday's launch, a Soyuz rocket carried a Glonass satellite to orbit.
30 April 2013, 05:35 PM ET
X Prize and 'After Earth' have teamed up to challenge students to build a robot to explore another planet.
30 April 2013, 03:24 PM ET
The Chandra X-ray Telescope has spied a gas cloud with the mass of ~10 billion Suns and spans ~300,00O light years. The system called NGC 6240 is the scene of two milky way-sized galaxies merging.
30 April 2013, 03:21 PM ET
Mars was formed from smaller pieces of rock than those that formed Jupiter, a new study concludes.
30 April 2013, 02:22 PM ET
Luna will be between the feet of the Gemini Twins, will pass by the Beehive Cluster, near the paws of the Leo the Lion and more. Find out what you can see as you follow the Moon in May.
30 April 2013, 02:19 PM ET
That's about $8 million more than the previous going rate.
30 April 2013, 01:27 PM ET
See sky maps for the most promising night sky events of May 2013.
30 April 2013, 01:05 PM ET
NASA's first space shuttle, Enterprise, will soon have a new pavilion home in New York City.
30 April 2013, 12:30 PM ET
Each mosaic was stitched together using at least 20 images taken by the rover itself.
30 April 2013, 11:27 AM ET
A C3.0-class solar flare erupted from the Sun on April 29th, 2013. Most of the ejected plasma did not have the velocity to break free of the Sun. The event was captured by NASA's Solar Dynamics Observatory.
30 April 2013, 10:55 AM ET
ESA's Herschel Space Telescope peers deep into the universe.
30 April 2013, 10:48 AM ET
These delicate wisps of gas make up an object known as SNR B0519-69.0, or SNR 0519 for short as seen in this stunning space wallpaper.
30 April 2013, 10:40 AM ET
The Slooh Space Camera will broadcast live views of Comet ISON in a webcast today (April 30).
30 April 2013, 10:38 AM ET
After four years in orbit, the Herschel Space Telescope has reached the end of its life.
30 April 2013, 10:27 AM ET
Jupiter, Mercury and Venus get together. Using binoculars, see the Virgo Cluster and Sombrero galaxy. The Eta Aquarid meteor shower rains and an annular solar eclipse is viewable in Northern Australia.
30 April 2013, 09:24 AM ET
The Remote Controlled research staff and several of the lifting body models displayed with the radio controlled mothership.
30 April 2013, 09:00 AM ET
Virgin Galactic's Sir Richard Branson and George Whitesides talk about Space tourism's next huge step taken on April 29th, 2013.
30 April 2013, 07:24 AM ET
Virgin Galactic's first SpaceShipTwo customers could be flying by the end of the year.
30 April 2013, 07:00 AM ET
Virgin Galactic's SpaceShipTwo is almost ready to carry tourists to space.
30 April 2013, 07:00 AM ET
It will soon cost $250,000 for a seat instead of $200,000, company officials say.
30 April 2013, 07:00 AM ET
Star-forming regions in space could explain the ingredients of life on Earth.
29 April 2013, 07:52 PM ET
The robot's handlers have prepared commands designed to get things back to normal.
