Astronomers just discovered the largest reservoir of water ever, roughly 140 trillion times the volume of the Earth's oceans. With severe drought afflicting Africa, Asia and the southern United States, you might ask whether this offers a solution to earthly afflictions.
While searching for rings around the dwarf planet Pluto, NASA astronomers made an unintentional discovery -- Pluto has a fourth moon.
When the space shuttle Endeavour blasts off, it will mark the orbiter's last voyage and the second-to-last mission in the 30-year-long space shuttle program.
For Space Shuttle Endeavour Commander Mark Kelly, there was wonderful news leading up to the launch. His wife, U.S. Rep. Gabrielle Giffords, is there to watch the lift off.
Gabrielle Giffords has boarded a flight at Ellington Field in Houston and is awaiting departure to Kennedy Space Center.
For the commander of Space Shuttle Endeavour, Mark Kelly, there was good, no, wonderful news, leading up to the launch. His wife, Arizona Congresswoman Gabrielle Giffords, is there to watch less than four months after a bullet tore through her head and nearly took her life.
In October, scientists completed a 10 year study on ocean life. CNN's Ralitsa Vassileva reports.
"Alien oceans could be detected by telescope," headlines a Web report about an article in The Astrophysical Journal Letters by Tyler Robinson and colleagues at NASA. The report projects that the $6.5 billion James Webb Space Telescope will be capable of such an impressive feat when it is launched some time after 2014 as a more powerful successor to the venerable Hubble Space Telescope.
Imagine a star so luminous that it would burn the Earth up if it were anywhere near, a star that outshines the sun as much as the sun outshines the moon. A monster even in the abyss of space.
A former astronaut and a NASA administrator recount the successful history of the Hubble Space Telescope.
IMAX explores the legacy of the Hubble Space Telescope and its impact on our views about the universe.
There's one word astronaut Michael Massimino uses over and over to describe the view from the Hubble Space Telescope: "Beautiful."
A mysterious X-shaped pattern of space debris seen by NASA's Hubble Space Telescope was probably two asteroids that collided, scientists said Tuesday.
NASA's Hubble Space Telescope has reached back 13.2 billion years -- farther than ever before in time and space -- to reveal a "primordial population" of galaxies never seen before.
Two U.S. spacecraft are set to crash on the moon Friday. On purpose. And we're all invited to watch.
Forget Hollywood special effects or Impressionist paintings -- some of the most stunning images are created by the mysterious and often violent forces in the universe.
It may not be possible to travel back in time, but seeing stars and galaxies as they looked millions or even billions of years ago is no problem thanks to telescopes, the closest thing we have to time machines.
NASA officials have postponed the landing of space shuttle Atlantis until Saturday because of weather concerns.
John Zarrella reports repairs are next after astronauts on board shuttle Atlantis successfully snag the Hubble telescope.
The Hubble Space Telescope was released into orbit Tuesday.
The space shuttle Atlantis crew on Monday afternoon completed its final spacewalk to upgrade the Hubble Space Telescope, according to NASA.
The space shuttle Atlantis crew completed its first spacewalk to upgrade the Hubble Space Telescope, a daylong act of grueling labor that featured the replacement and installation of key instruments.
The space shuttle Atlantis captured the Hubble Space Telescope with its robotic arm Wednesday, paving the way for astronauts to begin repairing the orbiting observatory.
NASA video shows four tiles on the right side of the space shuttle Atlantis that have dings in them.
It's not quite the achievement of a lunar landing, but astronaut Mike Massimino made Twitter history with a 139-character post to the micro-blogging site -- the first person to do so from space.
A survey of space shuttle Atlantis' outer body has revealed that four tiles on the right side have "some dings" in them, the flight director said Tuesday.
With space shuttle Atlantis on its way to upgrade the Hubble Space Telescope, that leaves one shuttle, Endeavour, at the ready on the other launch pad here.
CNN's John Zarrella reports NASA ready with rescue shuttle if Atlantis and crew in trouble.
The space shuttle Atlantis blasted off successfully Monday afternoon on NASA's fifth and final repair visit to the Hubble Space Telescope.
Final preparations are under way for Monday's scheduled launch of the space shuttle Atlantis from Kennedy Space Center in Florida in a repair mission for the Hubble Space Telescope.
The U.S. space agency might try to launch space shuttle Atlantis on May 11, a day earlier than scheduled, administrators announced Thursday in Houston.
The launch of space shuttle Discovery scheduled for Wednesday has been scrubbed.
After weeks of delay, the space shuttle Discovery is finally ready for a Wednesday evening liftoff and a two-week mission to the international space station.
The first-ever pictures of planets outside the solar system have been released in two studies.
NASA's plans to fly a fifth and final space shuttle mission to service the Hubble Space Telescope have suffered another set-back.
Engineers at the Goddard Space Flight Center in Maryland have hit two new snags in their effort to repair the Hubble Space Telescope after a major equipment failure in space last month.
NASA is delaying next month's shuttle launch to the Hubble Space Telescope because of problems stemming from Hurricane Ike and replacement parts for the observatory
NASA moved shuttle Atlantis to the launch pad on Thursday for a flight next month to the Hubble Space Telescope after being waylaid by a pair of tropical storms
The space shuttle Discovery and its crew of seven returned to Earth on Saturday
CNN Miles O'Brien walks us through the landing of Shuttle Discovery.
Endeavour commander Dominic Gorie is pleased with the mission as the shuttle leaves the international space station.
Amazing pictures of the fourth spacewalk of the STS-123 mission.
Use this explainer to help students understand the history of the space shuttle program, a topic relevant to current news.
The space shuttle Atlantis lands at the Kennedy Space Center in Florida after a 13-day mission.
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