CAPE CANAVERAL, Fla. (AP) _ Scientists have exposed some of the mystery behind the northern lights. On Thursday, NASA released findings that indicate magnetic explosions about one-third of the way to the moon cause the northern lights, or aurora borealis, to burst in spectacular shapes and colors, and dance across the sky.

latimes.com
July 24, 2008
FORT STANTON CAVE, N.M. (AP) _ Hundreds of feet beneath Earth's surface, a few seasoned cave explorers venture where no human has set foot. Their headlamps illuminate mud-covered walls, gypsum crystals and mineral deposits. >>

July 23, 2008
HOUSTON (AP) _ A "dead zone" in the Gulf of Mexico off the Texas-Louisiana coast this year is likely to be the biggest ever and last longer than ever before, with marine life affected for hundreds of miles, a scientist warned. >>

July 21, 2008
CAIRO, Egypt (AP) _ Archaeologists will excavate hundreds of fragments of an ancient Egyptian wooden boat entombed in an underground chamber next to Giza's Great Pyramid and try to reassemble the craft, Egyptologists announced Saturday. >>

July 20, 2008
TOKYO (AP) _ The World Health Organization urged Asian countries on Monday to take action against the growing threat of drug-resistant tuberculosis, warning that even more virulent forms of the disease could spread if they fail to do so. >>

RIO DE JANEIRO, Brazil (AP) _ Hundreds of baby penguins swept from the icy shores of Antarctica and Patagonia are washing up dead on Rio de Janeiro's tropical beaches, rescuers and penguin experts said Friday. >>

July 18, 2008
INDIANAPOLIS (AP) _ A Purdue University panel has found two instances of misconduct by a researcher who claims he produced nuclear fusion in tabletop experiments. >>

July 17, 2008
WASHINGTON (AP) _ Dishing the dirt has a long history in Washington, but the Smithsonian Institution is taking it to new depths. The National Museum of Natural History opens a new exhibit on Saturday — "Dig It" — exploring the mysterious and complex world of soil. >>

WASHINGTON (AP) _ With climate change increasingly threatening the survival of plants and animals, scientists say it may become necessary to move some species to save them. Dubbed assisted colonization or assisted migration, the idea is to decide how severe the threat is to various species, and if they need help to deal with it. >>

WASHINGTON (AP) _ Global warming will affect the health and welfare of every American, but the poor, elderly, and children will suffer the most, according to a new White House science report released Thursday. >>

July 16, 2008
TRAVERSE CITY, Mich. (AP) _ Foreign species that slipped into the Great Lakes in ballast tanks of oceangoing cargo ships cost the regional economy at least $200 million a year, according to a University of Notre Dame study released Wednesday. >>

July 15, 2008
CAPE CANAVERAL, Fla. (AP) _ The space station's two Russian astronauts stepped outside for the second time in less than a week Tuesday, taking a spacewalk that proved to be tame compared to last week's work with explosives. >>

July 8, 2008
NASA has tentatively set the final space shuttle mission for May 31, 2010, four months before the shuttle fleet retires. >>

March 25, 2008
NASA has no plans to turn off either of the healthy twin Mars rovers to make up for cost overruns faced by a big new rover slated to fly to the Red Planet next year, the space agency said Tuesday. >>

February 20, 2008
The last total lunar eclipse until 2010 occurs Wednesday night, with cameo appearances by Saturn and the bright star Regulus on either side of the veiled full moon. >>

January 31, 2008
The first pictures from the unseen side of Mercury reveal the wrinkles of a shrinking, aging planet with scars from volcanic eruptions and a birthmark shaped like a spider. >>

October 9, 2007
The effect is called giant magnetoresistance, but it enables amazing things at the miniature level. Two European scientists won the 2007 Nobel Prize in physics Tuesday for their discoveries of the phenomenon, which spurred some of computing's most astonishing developments, from video-playing handheld devices to PCs whose storage capacity now seems all but limitless. >>

July 30, 2007
Painter Odile Crick, whose most famous drawing was a graceful sketch of the double-helix structure of DNA, has died. >>

June 21, 2007
If you have planetary vision, want to be on the cutting edge and don't get bored easily, the European Space Agency may be looking for you. It is looking for 12 volunteers for a simulated mission to Mars that will last up to 520 days in "extreme isolation and confinement." >>

October 4, 2006
Recent winners of the Nobel Prize in chemistry, and their research, according to the Nobel Foundation: >>

October 3, 2006
Recent winners of the Nobel Prize in physics, and their research, according to the Nobel Foundation: >>

February 2, 2006
The Deep Impact space probe found the first evidence that comets have ice on their dusty surfaces, raising the possibility that comets may have delivered life-giving water to a primeval Earth, NASA scientists said Thursday. >>

July 2, 2005
DEEP IMPACT: NASA's probe is set to hurtle into a speeding comet half the size of Manhattan and smash a hole in it. The goal is to view the icy core of a comet that may hold cosmic clues to how the sun and planets formed. >>

January 18, 2005
A European spacecraft that landed on Saturn's largest moon Titan twisted and spun as it tumbled to the muddy surface, scientists said Tuesday, revealing animated pictures of the final stage of its descent. >>

January 15, 2005
The Bush administration unveiled a $37.5 million plan Friday to erect a tsunami warning system designed to protect both the Pacific and Atlantic coasts by mid-2007. >>

January 14, 2005
THE MISSION: The European Space Agency's Huygens probe has landed on Saturn's moon Titan in a mission to provide clues to how life arose on Earth. >>

June 10, 2004
When President Reagan died last weekend after struggling with the mind-robbing Alzheimer's disease, Judy Wunsch felt a sense of deja vu. Within minutes of the news, the phones at her office in the Los Angeles chapter of the Alzheimer's Association began ringing, and kept sounding for days. >>

January 9, 2004
If NASA returns astronauts to the moon and then takes aim at Mars, the agency will have to go back to the drawing board to get the job done. The rockets, equipment and engineers that put American footprints on lunar soil have long been lost, junked or retired. >>

Books: science and environment

Robots serving humans are the coming wave. And the West will have to decide their place in society. July 18.

Stephen Hawking and Susskind, two titans of theoretical physics, slug it out over whether or not information is lost forever once it enters a black hole. July 13.

A year in the life of a major New York City hospital. May 18.

THE SCIENCE FILES
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