JF flew about 199,000 miles (320,000 km) away from Earth. It's estimated size is about 34 feet wide (10 meters), roughly the ...

Earth’s geological evolution is aslow but constant process, with tectonic movements driving significant changes over millions ...

Solar material from the eruption will likely miss Earth. A massive solar filament erupted in dramatic fashion last night (May ...

Look at how the Earth's tilt changes how much sunlight the northern hemisphere receives. The Moon is always a sphere but you may have seen different shapes of Moon in the sky. These are called the ...

(Second animation): This animation shows the moon orbiting Earth at the same distance as the ISS. Latest videos Have you ever wished the Jupiter or Saturn were closer to Earth? Saturn’s rings ...