At Davos, the US president said he would not use force to take the island and later floated a possible "forever" deal.

As Trump arrives in Switzerland, NATO allies are bracing for complex negotiations. The White House insists Greenland is essential to U.S. security and says Europe cannot safeguard it. In contrast, ...

A four-year record from the heart of the Ross Ice Shelf shows how subtle changes could shape future sea level rise, ocean ecosystems – and even our weather.

Cold temperatures, strong winds and waves combine to blast the shoreline with spray, coating anything it can touch with water ...

Astronomers have long sought evidence to explain why comets at the outskirts of our own solar system contain crystalline ...

The US president says he has "formed the framework of a future deal with respect to Greenland" after talks with Nato's ...

Their trunklike fossils were discovered in 1843. Yet despite more than a century of speculation, scientists have struggled to ...

An expedition off the coast of Massachusetts has confirmed the existence of a freshwater reservoir beneath the seafloor. Now, ...

Earth's magnetic field was struck by a "severe" solar storm Monday (Jan. 19), triggering vibrant auroras in the U.S. and ...

New experiments reveal that protein precursors can form naturally in deep space under extreme cold and radiation. Scientists ...

Astronomers used the James Webb Space Telescope and gravitational lensing to observe SN Eos, an ordinary supernova from the ...

Modern cells are complex chemical entities with cytoskeletons, finely regulated internal and external molecules, and genetic material that determines nearly every aspect of their functioning. This ...