Scientists have studied our solar system, which is home to eight major planets and more than 400 known moons orbiting six of them, to understand the new phase of the moon formation observed around ...

From rare earths to Russian oil, here’s what Trump hopes to get out of meeting Xi Jinping - IN FOCUS: Experts do not expect ...

Earth's quasi-moon, 2025 PN7, which has been sharing Earth's path around the Sun since the 1960s, could be a remnant of a failed mission to Venus, according to a new paper. Harvard scientist Avi Loeb ...

The month brings a spectacular lineup of celestial sights—including a rare chan Mercury without a telescope and a "micro" new ...

The United States and China are not going to resolve all the issues that divide them before presidents Donald Trump and Xi ...