Space.comTopic:
Earth, Our Home Planet
Earth, our home planet, is the 3rd planet from the sun.
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Pope Benedict XVI talks about the delicate nature of the Earth on many levels in a conversation with astronauts aboard the ISS on May 21, 2011.
The magnetosphere protects life on Earth from harmful solar storms.
NASA's Aquarius/SAC-D mission will take global measurements of the saltiness, or salinity, of Earth's oceans.
Water circulation from ocean to atmosphere, to land and back has a major impact on oceanic salinity levels; NASA's Aquarius satellite will give scientists the ability to monitor the effects of those changes on ocean circulation and the climate.
NASA's Aquarius satellite will sport a state of the art radiometer for detecting natural thermal emissions and a scatterometer, to compensate for waves, in this study of the impact of ocean salinity on climate change.
NASA's mission to study the role salinity plays in climate change.
NASA's Aquarius mission to study ocean salinity will improve the understanding of water cycle, ocean circulation and climate, according to Project Manager Amit Sen.
Salinity has an major impact on ocean circulation, thus affecting how heat is distributed on Earth. NASA's Aquarius mission will measure salt levels to give scientists better understanding of how oceans influence the climate.
Morocco's desert sands provide a look at life's history on Earth … and maybe Mars, too.
The mineral had never been found in nature before now.
Astronauts see 16 sunrises & sunsets in one 24-hour orbital period.
Astronaut Ron Garan snaps amazing photos of Earth from space and blogs about Earth's beauty on Fragile Oasis.
This autumn, an asteroid the size of an aircraft carrier will zoom closer to Earth than our own moon, causing scientists to hold their breath.
NASA astronaut Ron Garan's blog, Fragile Oasis, aims to inspire people to cherish the beauty and wonder of our planet Earth.
NASA is hosting a variety of online activities to celebrate Earth Day 2011 on Friday (April 22).
Holbox Island off the Yucatan Pennisula has waters so dark its name means "black hole" in Mayan.
The Tigris and Euphrates rivers were part of the first views of Earth by space shuttle astronauts.
Wadi Rum is an alien-looking landscape in Jordan.
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