Mercury News
May 22, 2019

Top Headlines

Scientists have long known that Earth and Mercury have metallic cores. Like Earth, Mercury's outer core is composed of liquid metal, but there have only been hints that ... read more

The True Power of the Solar Wind

The planets and moons of our solar system are continuously being bombarded by particles from the sun. On the Moon or on Mercury, the uppermost layer of rock is gradually eroded by the impact of sun ... read more

Mercury's Thin, Dense Crust

A planetary scientist has used careful mathematical calculations to determine the density of Mercury's crust, which is thinner than anyone ... read more

Meteorite Diamonds Tell of a Lost Planet

Scientists have examined a slice from a meteorite that contains large diamonds formed at high pressure. The study shows that the parent body from which the meteorite came was a planetary embryo of a ... read more
Latest Headlines
updated 4:19am EDT

Earlier Headlines

Earth's Carbon Points to Planetary Smashup

Research suggests that virtually all of Earth's life-giving carbon could have come from a collision about 4.4 billion years ago between Earth and an embryonic planet similar to ... read more

Most Volcanic Activity on Mercury Stopped About 3.5 Billion Years Ago

New research finds that major volcanic activity on the planet Mercury most likely ended about 3.5 billion years ago. These findings add insight into the geological evolution of Mercury in particular, ... read more

Dawn Maps Ceres Craters Where Ice Can Accumulate

Scientists with NASA's Dawn mission have identified permanently shadowed regions on the dwarf planet Ceres where ice deposits could exist ... read more

Surface of Mercury Arose from Deep Inside the Planet

Researchers have found that several volcanic deposits on Mercury's surface require mantle melting to have started close to the planet's core-mantle boundary, which lies only 400 km below ... read more

Mercury's Origins Traced to Rare Meteorite

Geologists trace Mercury's origins to weird, rare meteorite, and find planet cooled dramatically shortly after it ... read more

Fascinating Orbits: Celestial Bodies Surprisingly Erratic

Astronomers are researching the way in which celestial bodies orbit each other, now and in the future. This often turns out to be more erratic than you might ... read more