The Vesta asteroid is the only remaining example of the original objects that came together to form the rocky planets like Earth, say scientists.

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Vesta is ‘last of a kind’ rock

The Cassini probe in orbit around Saturn captures evidence of km-sized balls of ice plunging through one of the planet’s main rings – its F-ring

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‘Snowball fight’ in Saturn ring

A company has plans to mine asteroids that zip close by Earth, both to provide supplies for future interplanetary travelers and to bring back precious metals.

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In Pursuit of Riches, and Travelers’ Supplies, in the Asteroid Belt

April 22 is Earth Day, and there's no better way to start celebrating and protecting the planet than by taking a closer look at what's on your plate. We're challenging everyone we know to grow one thing – just one thing – that they can eat, and of course, we're putting our money where our mouth is and planting a garden, ourselves . You could also consider joining a CSA (that's community supported agriculture ), buying direct at a farmers market , staying as local as possible , keeping a close eye on the origins of your seafood or supporting chefs who are doing the right things for the environment. Chew on that while you explore our simple and endlessly delicious tips for eating eco-friendly. What's the payoff? Oh, just saving the world is all. As author and Bizarre Foods host Andrew Zimmern told us , “If everyone grew what they could, supported urban farms and community gardens in cities and local CSAs, the pressure relief on our overtaxed system would be immense. The resulting dollar shift would be staggering and deliver a positive shot in the arm to local economies. Our food would also be safer. Small action here can yield tremendous impact, immediately.” Chew on that while you explore our simple and endlessly delicious tips for eating eco-friendly. Dine more sustainably for Earth Day and every day What does “sustainable” mean when it comes to seafood? What does “farm-to-table” mean? My hope for good, clean and fair food for all Alfred Portale's five reasons to shop locally Stay connected to your food says Traci Des Jardins Enjoy ocean-friendly sushi Chefs with Issues: Making seafood sustainability palatable Strategies for buying sustainable seafood Five reasons to eat sustainable fish Keeping an oyster shortage at bay Selecting sustainable fish for Earth Day A locavore in winter An acre's worth of food in a shipping container Drink a cocktail, save the planet A day in the life of an organic farm Hope on the half shell – oysters in New Orleans Candy for a change The buzz on urban beekeeping Temporary tacos Closing the loop 'Green' red wine Mobile farmers market Roberta's urban garden

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Sustainably delicious – clean, green eats for Earth Day

Fatigue led a pilot to mistake the planet Venus for another plane and send his airliner into a dive, injuring 16 people last year, investigators say.

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‘Pilot fatigue’ caused jet dive

The mechanism by which stars spew out the raw ingredients for planets at the end of their lives is elucidated in a pioneering experiment.

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Stardust recycling mystery solved

There could be many billions of planets in our galaxy that are not much bigger than Earth circling the “habitable zones” of faint stars, says an international team of astronomers.

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Super-Earths ‘in the billions’

James Cameron plunged on Sunday in a minisubmarine of his own design to the bottom of the planet’s deepest recess.

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James Cameron’s Submarine Trip to Challenger Deep

The giant asteroid Vesta has many features that are usually associated with rocky planets like Earth, according to data from a Nasa probe.

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Giant asteroid ‘resembles planet’

Greg Smith doesn’t know the half of it. Smith, now the most famous former Goldman Sachs derivatives salesman on the planet, went off on his former employer in the opinion pages of the New York Times this past week — much to the amazement of nearly everyone — because he claimed that during his 12years at the firm, the ethics and morals of his co-workers deteriorated so dramatically that he just couldn’t take it anymore. Read full article > >

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Goldman Sachs’s long history of duping its clients

Astronomers have confirmed the existence of a new class of planet – a waterworld with a thick, steamy atmosphere.

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Distant ‘waterworld’ is confirmed

NEW YORK — Here are two things I learned from “Shatner’s World: We Just Live in It”: William Shatner thinks George Takei can’t stand him. And Captain Kirk talks to his dog in the same way I do to mine. Read full article > >

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‘Shatner’s World’ on Broadway: Definitely on his own planet

NEW YORK — Here are two things I learned from “Shatner’s World: We Just Live in It”: William Shatner thinks George Takei can’t stand him. And Captain Kirk talks to his dog in the same way I do to mine. Read full article > >

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‘Shatner’s World’ on Broadway: Definitely on his own planet

The budget coming Monday from the Obama administration will send the NASA division that launches rovers to Mars and probes to Jupiter crashing back to Earth. Scientists briefed on the proposed budget said that the president’s plan drops funding for planetary science at NASA from $1.5 billion this year to $1.2 billion next year, with further cuts continuing through 2017. Read full article > >

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Obama’s budget would cut Mars program, solar system exploration

US space agency officials let their European counterparts know that it is now highly unlikely that America will participate in joint missions to the Red Planet in 2016 and 2018.

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Mars co-operation near collapse