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29 April 2013, 05:47 PM ET
See reactions and celebrations of Virgin Galactic's major rocket-powered flight test of SpaceShipTwo on April 29, 2013.
29 April 2013, 05:41 PM ET
A wormhole is a theoretical passage through space-time that could create shortcuts for long journeys across the universe.
29 April 2013, 05:00 PM ET
See what it was like to watch SpaceShipTwo soar in its first supersonic test flight.
29 April 2013, 04:05 PM ET
Virgin Galactic conducted a historic first supersonic test flight of SpaceShipTwo on April 29, 2013, in the Mojave Desert, Calif., as seen in this stunning space wallpaper.
29 April 2013, 03:50 PM ET
See amazing photos of the strange hexagon storm at Saturn's north pole.
29 April 2013, 03:18 PM ET
President Barack Obama restated his support for the sciences during an address today (April 29).
29 April 2013, 03:04 PM ET
The storm's eye spans a whopping 1,250 miles.
29 April 2013, 03:00 PM ET
The ISIS impactor would tag along with NASA's InSight mission to Mars.
29 April 2013, 02:21 PM ET
See photos of the amazing X-15 rocket plane that pioneered human spaceflight in the 1960s
29 April 2013, 02:08 PM ET
This space wallpaper is an artist’s impression showing the exotic double object that consists of a tiny, but very heavy neutron star that spins 25 times each second, orbited every two and a half hours by a white dwarf star.
29 April 2013, 01:30 PM ET
Who were the men behind the X-15?
29 April 2013, 01:19 PM ET
Virgin Galactic's suborbital vehicle makes its first powered ascent on April 29, 2013. Exceeding Mach 1, but not (yet) trying for 'space' altitude, the test was deemed successful by the shipbuilder Scaled Composites.
29 April 2013, 01:07 PM ET
A planetary hurricane, with 300 mile per hour whipping winds, was snapped by NASA's Cassini mission. The eye of the storm is 1,250 miles wide, 20 times larger than any typhoon on Earth.
29 April 2013, 11:49 AM ET
Now that private space plane SpaceShipTwo has made its first rocket-powered test flight, would you ride it?
29 April 2013, 11:31 AM ET
Virgin Galactic's SpaceShipTwo fired its rocket motor for 16 seconds in the historic April 29, 2013 test flight.
29 April 2013, 11:19 AM ET
Virgin Galactic's SpaceShipTwo fired up its rocket motor in flight for the 1st time on April 29, 2013. See the photos.
29 April 2013, 11:00 AM ET
SpaceShipTwo is expected to take paying customers into space around 2015.
29 April 2013, 11:00 AM ET
See photos of Virgin Galactic's private spacecraft, SpaceShipTwo, as it undergoes testing for future space tourism flights.
29 April 2013, 10:52 AM ET
Virgin Galactic's SpaceShipTwo has lit its rocket engine in flight
29 April 2013, 10:47 AM ET
ISS commander Chris Hadfield explains how astronauts stay hydrated and why Space Station must try to recycle everything.
29 April 2013, 09:45 AM ET
A female astronaut simulates an emergency egress procedure using the sky genie.
29 April 2013, 06:50 AM ET
Veteran skywatcher P-M Heden captured this amazing night sky photo of Comet PanSTARRS and the Andromeda Galaxy over rural Sweden.
29 April 2013, 06:45 AM ET
The half-frozen, half-oceanic worlds might be good places to look for alien life.
29 April 2013, 06:45 AM ET
Lunokhod 1 last trekked across the lunar surface more than four decades ago.
29 April 2013, 06:00 AM ET
Comet ISON's trail of dust could pass through the Earth's atmosphere creating an unusual meteor shower.
