Curiosity Found New Carbon Molecules On Mars. What Does It Mean For Alien Life?

Nasa’s Curiosity Mars rover has detected the largest organic (carbon-containing) molecules ever found on the red planet. The discovery is one of the most significant findings in the search for evidence of past life on Mars. This is because, on Earth at least, relatively complex, long-chain carbon molecules are involved in biology. These molecules could…

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Ancient, water-loving rhinos gathered in big, hippolike herds

Millions of years ago in Nebraska, chunky, stumpy-legged rhinoceroses were party animals, crowding together in huge herds at watering holes and rivers. Chemical signatures in the fossilized teeth of the extinct, corgi-shaped beasts suggest they didn’t roam widely, instead forming big, local herds unlike the more solitary rhinos of today, researchers report April 4 in…

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