The Arctic Ocean was once an important source of greenhouse gases to the atmosphere — and it could become one again, ...

Ice could deliver electrolytes to alien oceans, and that’s good news for astrobiologists. You need more than water to make a habitable ocean; you also need nutrients, including electrolytes.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. NASA’s Perseverance rover has detected evidence for an array of ...

The most severe mass extinction event in the past 540 million years eliminated more than 90 percent of Earth's marine species and 75 percent of terrestrial species. Although scientists had previously ...

For now, complex life flourishes on our planet thanks to its supply of oxygen. But Earth's atmosphere wasn't always like it is today, and scientists predict that in the future, it will revert back to ...

The ozone hole doesn’t just affect the health of human, terrestrial and marine ecosystems. It also affects environmental chemical processes at the South Pole. This has been demonstrated by an ...

NASA has found “organic molecules” on Mars that could signal a breakthrough about “key building blocks for life” on the red planet, according to a new research paper. The out-of-this-world discovery ...

The new finding was published Nov. 26 in Science Advances and changes how geoscientists understand the underlying process of Earth's geochemical cycle. The reason geoscientists had, until now, failed ...