Mercury takes only 88 Earth days to orbit the sun.

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

Dwarf planet Pluto, on the other hand, has a fairly squashed orbit. Mercury, the closest planet to the sun, has the most eccentric orbit, with the difference between the distance at perihelion and ...

Chennai: If you spotted six planets in a row in Jan, try your luck again at this month-end as Mercury will also be visible.

Look to the southwest sky after sunset on Saturday, as the sliver of a waxing crescent moon nears bright Venus with Saturn ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

and each travels on its own path around the sun. But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some craters on its surface that never see sunlight.