Space
We summarize the week's science breakthroughs every Thursday.
- Space
Evidence mounts for liquid interior of a Saturn moon
Plumes of Enceladus offer hints that moon is now or was in the recent past partially liquid inside.
- Earth
A more organic meteorite
Some meteorites may contain a higher concentration of organic chemicals than previously thought.
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- Life
Life on Earth took a licking, kept on ticking
Earth's early organisms may not have had to restart after a long spell of asteroid impacts.
- Space
Last Hubble rendezvous
During five successful space walks, astronauts repaired and rejuvenated the Hubble Space Telescope.
- Space
Cosmic dustup settles
Two new studies document how crystalline dust forms in the hot, inner part of a young star’s planet-making disk and then gets incorporated into the cold, comet-forming region billions of kilometers away.
- Space
Final Hubble repair mission begins
The final mission to repair and upgrade the Hubble Space Telescope lifted off May 11.
- Astronomy
New eyes on the cosmos
The next constellation of telescopes will dramatically extend and sharpen scientists’ view of the universe.
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- Tech
White House commissions spaceflight-review panel
Outside experts are being asked to advise NASA on how to get astronauts into space after the shuttle program dies next year.
