CAPE CANAVERAL, Fla. — A 4 billion-year-old meteorite from Mars that caused a splash here on Earth decades ago contains no evidence of ancient, primitive Martian life after all, scientists reported Thursday. In 1996, a NASA-led team announced that organic compounds in the rock appeared to have been […]
WASHINGTON — Antarctica is melting more than six times faster than it did in the 1980s, a new study shows. Scientists used aerial photographs, satellite measurements and computer models to track how fast the southern-most continent has been melting since 1979 in 176 individual basins. They found the […]
A British adventurer was close to becoming the second person to traverse Antarctica completely unassisted just a few days after an American became the first to conquer the feat, which was previously said to be impossible. Louis Rudd’s expedition blog on Thursday showed that the 49-year-old has only has about […]
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