Euclid is a six-year mission by the European Space Agency (ESA) aimed at mapping the dark universe by analyzing the positions ...

But the two enemy states do not recognize it as an international border. And nor is establishing one — potentially setting in motion a process that brings long-term quiet — a simple undertaking.

The US President mulled imposing sanctions on Russia in a post on social media, as Vladimir Putin claimed a key victory in ...

In this episode of “Uncanny Valley,” our hosts explain how to prepare for travel to and from the United States—and how to ...