Mercury takes only 88 Earth days to orbit the sun.

A full moon happens when the moon is directly opposite the sun from our perspective on Earth, fully illuminated by sunlight.

Scientists have spotted an asteroid which they estimate has a more than 2 per cent risk of hitting Earth in eight years time ...

A recently discovered, sizable asteroid may come within striking distance of Earth in less than eight years. But although the ...

Observations and data gathered since the initial sighting concluded that, as of Jan. 31, the asteroid is 30 million miles from Earth and moving farther away on its orbital path around the sun.

Observations and data gathered since the initial sighting concluded that, as of Jan. 31, the asteroid is 30 million miles from Earth and moving farther away on its orbital path around the sun.