A new experimental study published in Geochimica et Cosmochimica Acta reveals that Mercury’s sulfur-rich interior behaves in ...

A year on Mercury lasts 88 Earth days, with a solar day (the time from noon to noon on the planet’s surface) lasting 176 ...

Pieces of Mercury may have been found on Earth, potentially allowing scientists to study the Solar System's innermost planet. While we have sent two spacecraft to Mercury – Mariner 10 and MESSENGER – ...

Although Mercury was geologically active in its early days, today its surface appears almost completely static. This is why it is often perceived as a dead and dry planet. A new study led by Dr.

A six-planet parade — sometimes called a planetary alignment — will adorn the pre-sunrise morning sky on Friday, Aug. 22, with four of them visible to the naked eye. Venus, Jupiter and Saturn will be ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A rare six-planet parade will stretch across the sky before ...