Mercury has long been cast as the solar system’s burnt-out rock, a relic too small and too close to the Sun to hold many surprises. That caricature is now collapsing. New analysis of NASA’s MESSENGER ...

From dazzling Jupiter high in the evening sky to elusive Mercury low at sunset, February 2026 offers one of the year's best ...

Hold tight, the solar system is going to get bumpy in a few months. Mercury retrograde is on its way. Maybe you've heard people lament over the astrological phenomenon, blaming their woes on the ...

Diamonds aren't the traditional 20th anniversary gift, but we're not going to complain, since these came from a spacecraft that crashed into the surface of Mercury back in 2015. NASA's MESSENGER ...

Explore the visibility of Mercury, Venus, Jupiter and Saturn in February 2026. Discover observation dates, locations and details based on Space.com and NASA data.

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. The ...

Analyses of data from the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft’s second flyby of Mercury in October 2008 show that the planet’s atmosphere, ...