Solar eclipses thrill skywatchers every year. You just have to be in the right place at the right time. A solar eclipse occurs when the moon is positioned between Earth and the sun and casts a ...

An animation of asteroids approaching the Earth ... FG" and "2025 FF"—are also making their closest passes of the Earth this ...

Experts have been working on mapping the ocean floor with traditional methods, sending ships across the water with sonar ...