Atmospheric mercury in gaseous form appears to be adding heavily to the load.
July 12, 2021
April 19, 2019
The new findings offer clues about how the solar system formed and how rocky planets change over time.
March 22, 2019
Scientists from NASA’s MESSENGER mission share some of its top discoveries — and lingering mysteries — in a new compendium.
March 07, 2016
Mercury’s dark surface is revealing intriguing new clues about the formation of the solar system, including evidence described in a new study that the planet closest to the Sun may have formed in part from carbon, a key component of life.
November 29, 2012
Mercury, the planet closest to the Sun, may hold at least 100 billion tons of ice in permanently shaded craters near its north pole, NASA scientists announced Thursday. Radar images had led scientists to suspect for decades that Mercury had water, but NASA’s MESSENGER spacecraft, which began orbiting the planet in March 2011, is the first to confirm it.