The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many complex processes working at once, according to new research.

Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation ...

A new study rewrites the story of human evolution, suggesting that intelligent life is not rare but a natural planetary ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

The California coast has been rocked by seven earthquakes in less than a day, including four in the same city near the San ...

The California coast has been rocked by six earthquakes in less than a day. The United States Geological Survey (USGS) has ...

For most of history, the Moon was regarded as a mysterious and powerful object. Then scientists made it into a destination ...

Iraq is sinking. Or, to be exact, the region surrounding the Zagros Mountains in the country’s north is. A team of ...

New study reveals that Earth's inner core is undergoing unexpected structural changes, challenging long-held assumptions ...

President Trump’s moves to pause refugee resettlement, freeze foreign aid and suspend funds to promote democracy have added ...

Government-related agencies and departments from Singapore, Malaysia and Indonesia conducted a joint table-top exercise (TTX) yesterday to enhance ...

Quipu, Hercules, Serpens–Corona Borealis and Sculptor–Pegasus are all larger than the fifth and final superstructure ...