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The Mars we know today is a cold, dry world of dust and rocks. However, around 3.8–3.6 billion years ago, it may have looked very different. Geological and mineral evidence suggests that, in its distant past, the planet experienced ...
Since its introduction in 2000, the concept of the Anthropocene—the idea that human activities are the major driver of Earth systems—has become highly influential throughout society, including in culture, science and law. ...
New research has found that the rate of hip fractures among astronauts after spaceflights lasting more than 90 days was higher than after shorter spaceflights or among people who were not astronauts. The findings of the study ...
Finding alternatives to precious metals in chemical manufacturing may be less like sourcing a substitute and more like tuning an instrument already in hand.
Ice cores recovered from an ice cap in northwestern Tibet appear to preserve fragments of ancient ice from the last ice age, extending Earth's glacial record by more than 100,000 years and making them the oldest ice cores ...
A team of researchers led by the National Astronomical Observatory of Japan discovered unexpectedly intricate magnetic structures above quiet-sun regions by observing the sun with the balloon-borne solar observatory Sunrise-III ...
Irrigation canals form a sort of circulatory system for global agriculture. Across the world, millions of kilometers of human-made canals carry water from lakes, rivers and reservoirs downhill to farmland. Canals are vitally ...
For decades, astronomers have identified collisions between two neutron stars through bursts of gamma rays that can disappear in less than two seconds. But some of these violent encounters may also reveal themselves through ...
Sea-level rise is one of the most visible signs of climate change, one that is threatening low-lying coastal communities around the world. Today, about 1 billion people live in coastal areas; about 100 million live within ...
Is there life elsewhere, or is Earth unique in the universe? This is one of humanity's great unanswered questions. One way to approach this mystery is to investigate how life began here on Earth. Our research explores the ...
