Plume of gas ejected from Mercury’s atmosphere extended to form a comet-like tail, which was captured by the ...

Comets are not the only celestial bodies with tails. Earth and Mercury also possess them, formed by different mechanisms.

Mercury, typically classified as the Solar System’s innermost planet, is displaying features more commonly associated with comets. On 3, Steven Bellavia captured an image from Surry, Virginia, ...

Our planet Earth and Mercury have invisible tails stretching millions of kilometres. These cosmic tails are real phenomena.

The Sun is constantly pushing out a stream of plasma and charged particles from its upper atmosphere, the corona. This solar wind moves at about a million miles per hour to escape the Sun's tremendous ...

Observations by Alessandrini and Robinson demonstrated that Mercury's sodium tail, extending millions of kilometers, is imageable using standard photographic equipment, contrary to previous ...