Researchers suspect that two meteorites found in the Sahara Desert in 2023 may originally have come from Mercury, which would ...

Most meteorites that have reached Earth come from the asteroid belt between Mars and Jupiter. But we have 1,000 or so ...

Using data from NASA's MESSENGER spacecraft, scientists have determined that the solar system's tiniest planet, Mercury, hides a not-so-tiny secret: a 10-mile-thick mantle of diamond.

They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

A day later, Mercury reaches its highest point in the evening sky ... One can spot it easily by its reddish color; while the planet is not as bright as it can be (it is at a point in its orbit where ...

The probe took a picture of Mercury while flying by the planet in 2021, but it is due to return to take higher-resolution pictures in late 2025, early 2026.. The hope is that these pictures could ...

These record Mercury’s planetary contraction: Scientists estimate that the planet’s radius may have shrunk by as much as 4.4 miles (7 kilometers) since it formed. It is probably still ...

This enhanced-color image of Mercury reveals the planet’s complex surface geology. Captured during MESSENGER’s primary mission, the colors highlight differences in rock composition and texture ...

A layer of diamonds up to 18 kilometers (11 miles) thick could be tucked below the surface of Mercury, the solar system’s smallest planet and the closest to the sun, according to new research.