The study suggests that the Moon likely formed largely from Earth's mantle material — with minimal involvement from Theia.

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

Mars shines brightly this week as it reaches opposition, appearing golden-red in the sky near Jupiter. Look for it in the ...

If you were lucky enough to escape the fog that descended last night you will have seen a spectacular Moon over Doncaster.

The Wolf Moon waxed full on Jan. 13. You may have seen it - the first full moon of the New Year - hanging low on the horizon these last several evenings, tinted orangish-yellow like a tropical fruit.

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the ...