But because earth is home to the only technological civilization thus known, we are severely hamstrung when making assumptions about the longevity of potential extraterrestrial civilizations.
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It is one of the least hospitable but most biologically diverse places on earth and home to thousands of plant and and animal species previously unknown to science.
Concerned that England lacked a set of myths comparable to, say, the Norse legends, he created the fantasy realm of Middle-earth, home to a jumble of orcs, elves, wizards and hobbits.
"The Earth, our home, is beginning to look more and more like an immense pile of filth, " Francis said.
By 2025 the Earth will be home to 1.2 billion people aged 60 and older, double the number in 2000.
Such disturbance has traditionally been ascribed to the combined gravitational effect of all the stars of the earth's home galaxy, the Milky Way.
Hawaii, which became a state in 1959, is a place of ironies, geographically one of the most isolated places on Earth, yet home to an eclectic mix of cultures.
For the past few years Dr Kuhlen and his colleagues have been working on a computer model of the halo of dark matter in which the Milky Way (the Earth's home galaxy) is thought to be embedded.
ECONOMIST: The search for dark matter: Ethereal yet weighty | The
Our understanding of and appreciation for our home, Earth, paradoxically benefited from leaving it for a short time.
We still have many things to do to maintain our home, Earth, before jumping to peep in to someone else's house.
The strangest feeling was standing on the surface and looking back home at Earth where every other human being was except the three of us.
Centaurus A is immense, perhaps 50 times larger than the Milky Way, home to the Earth and about 100 billion stars.
This week, all letters going through New Zealand's major postal sorting centres will be postmarked New Zealand: Home of Middle Earth, complete with The Lord of the Rings logo.
Those of you who have seen the film Apollo 13 know the story - but on the site is a transcript of the mission where you can read the conversations between a crew in a crippled space craft and the guys on earth trying to get them home - it's absolutely fascinating.
"I'm always happiest flying, " I told him truthfully, for I was born in the air, and it was more home to me than earth.
Early in the 21st century, more than 20 of this assembly's members, home to half the earth's population, will lift themselves from the ranks of low-income nations.
Internet security firm FireEye has spotted some 450, 000 infected computers from the Srizbi botnet - alleged to account for as much as half of all the spam on Earth - trying to "phone home" and reach their command and control servers.
The earth is asking us for that, asking us to join up again, to come back to our home which is this living thing, the Earth!
ASRGs would give TiME sufficient energy to support a very capable instrument suite and a direct-to-Earth communications system to get its data home.
Welcome to Earth, the planet we once called home.
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Mountain regions represent about one quarter of the Earth's terrestrial surface, and are home to approximately 25% of the global population.
And I went back two years later and nothing had happened so I was forced to question who on earth I could go to now if the Home Secretary hadn't responded.
BBC: News | BREAKFAST WITH FROST | Sir David Ramsbotham interview
And yes, the opening reel or so truly does feel like a live-action version of Wall-E, with Cruise flying around the deserted planet fixing stuff and pining for our lost home (long story short, Earth got invaded and we nuked the Earth in order to repel the invasion).
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Countless shuttle missions have ventured beyond Earth's borders and returned safely to the home we all share.
Since the planets are closer, the communications link between the rovers and Earth will be shorter, allowing faster transmissions back home.
Unless the land starts to slide dramatically beneath his feet or even less probably the earth moves for some other party, he is home and dry.
The other regional can't-miss highlight is Muirfield, a popular British Open venue, home to the oldest golf club on earth and a perennial top five in the world.
" He puts an Earth Day spin on a classic with "New Home on the Range" "where, " he sings, "we cherish the ground and the Wal-Mart shuts down.
And with the exception of the U.S., with its diverse economy, cheap dollar, and still home to the largest middle class on earth, only emerging nations are doing better this year than they did in 2007 and in 2008.
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