US President Donald Trump held a long-awaited phone call with Chinese President Xi Jinping Thursday as the leaders of the world's two biggest economies tried to avoid an all-out trade ...

An ingredient often added to yogurt could save the Caribbean's at-risk coral, suggests new research. Probiotics slow the spread of a deadly disease decimating iconic reefs throughout the holiday ...

Elections for a new parliament in Burundi got under way on Thursday but with little risk of an upset after the main opposition was effectively barred from running.

Elon Musk has a long way to go before colonizing Mars, but the controversial billionaire already has his own city on a flat patch of Texas, where giant, experimental Starship ...