After dusk on Friday night, seven planets are expected to align in the night sky. But you'll need binoculars or a telescope ...

Scientists who just months ago confirmed that Earth’s inner core recently reversed its spin have a new revelation about our planet’s deepest ... the inner core’s rotation.

The shot of our planet and the great cosmos beyond offers an eerie sense of scale to our quotidian situations on Earth.

It rotated faster than the rest of the planet up until about 2010 ... the first work finding changes in the core's rotation. However, Yang told Live Science, the data is still limited to just ...

Mars’s axis of rotation is tilted 25.2 degrees relative to the plane of the planet’s orbit around the sun, which helps give Mars seasons similar to those on Earth. Whichever hemisphere is ...