Hope for Earth: Planet Survives Star&#39;s Death Throes
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Astronomers  have spotted a planet that has survived the massive ballooning of its parent  star, providing the first optimistic evidence for the long-term survival of  Earth.
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Can nine billion humans survive and try to improve their lives without depleting the planet?
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LONDON/EAST RUTHERFORD, New Jersey  - Some of the world's biggest pop stars performed at Live Earth concerts around the globe on Saturday to persuade fans and governments to go green.
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An asteroid with a wild orbit is about to zoom by our planet. Plus: Solving the mystery of the Pioneer anomaly could take decades.... A biologist finds a chunk of space shuttle Columbia. By Amit Asaravala.
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There&#39;s more to mourn about the death of Christopher Reeve than the passing of a sci-fi icon - or even someone who had publicly grappled with adversity.
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It's a tough world, all right. Too bad it's not tougher. Right now Earth is looking pretty fragile as it suffers from increasing human punishment.
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A group of European-led    astronomers has made a photograph of what appears to be a planet orbiting another    star. If so, it would be the first confirmed picture of a world beyond our solar    system.
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Thomas M. Donahue, one of the country&#39;s leading space and planetary scientists and a pioneer of space exploration, died Saturday of complications following heart surgery.
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An object smaller than Pluto has been discovered orbiting a dying star in what astronomers said Monday resembles a pint-sized version of our solar system.
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Rock stars -- notorious for their "crash and burn" lifestyles -- really are more likely than other people to die before reaching old age. A study of more than 1,000 mainly British and North American artists, spanning the era from Elvis Presley to rapper Eminem, found they were two to three times more likely to suffer a premature death than the general population.
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The explosive death of a massive star has broken the record for longest-lived light show. Observations from NASA's Swift satellite have revealed a so-called gamma-ray burst for which the afterglow remained visible for more than 125 days.
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Daniel M. Tani's 90-year-old mother died in an auto accident this week, but he has no way of getting home until late January. He must grieve from more than 200 miles away Â in orbit, aboard the international space station.
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Earth sits between two worlds that have been devastated by climate catastrophes.
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A star that exploded about nearly three million years ago left traces of debris    on Earth and might have affected the course of human evolution, a new study    suggests.
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Astronomers are claiming to have found a &quot;super-Earth&quot; orbiting a star some 50 light years away. They say the finding could significantly boost the hunt for worlds beyond our Solar System.
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Two old stars appear to be gearing up for a second generation of planet formation, a phenomenon astronomers say they have never seen before.
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Oct. 11, 2004 - Christopher Reeve, the Superman actor who showed the world Herculean bravery after a near-fatal spinal cord injury, died Sunday of heart failure.