Tracking global migration has long been hampered by poor, outdated data. Now researchers have harnessed social media data to ...

Learn what the rocks in Iceland tell researchers about climate conditions at the time of the Roman Empire’s collapse.

Learn about the extinct species of "dirt ant" that was found in 16-million-year-old Dominican amber, adding an important ...

While cautious about the findings, astronomers detected traces of a chemical that, on Earth, is produced by phytoplankton.

The body's home-grown microbiota and bile acids could help boost the immune system to suppress tumor growth.

Learn more about the Curiosity’s carbonate discovery on Mars, and what it tells of about Mars’ past and Earth’s future.