What makes a planet habitable

Which of Earth's features were essential for the origin and sustenance of life? And how do scientists identify those features on other worlds?

Environmental pollutants could impact cellular signs of aging

Researchers have linked some environmental pollutants with diseases, a decreased life span and signs of premature aging, such as wrinkles and age spots. But can accelerated aging be detected at the cellular level in healthy ...

Scientists develop methods to validate gene regulation networks

A team of biologists and computer scientists has mapped out a network of interactions for how plant genes coordinate their response to nitrogen, a crucial nutrient and the main component of fertilizer. The work, published ...

Life on Mars?

According to NASA, scientists are in agreement that there is no life on Mars. However, they continue to assess whether Mars ever had an environment capable of supporting microbial life. Now, researchers from Hungary have ...

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