View of planet Mercury from space. Space, nebula and planet Mercury. This image elements furnished by NASA. While Mars and Venus hog the headlines, what little attention our tiny planet Mercury gets ...

You probably learned in school — or space camp — that Venus is Earth’s closest planetary neighbor. Ready to get your mind blown? A new model of the planets’ orbit shuffles things around, calculating ...

Beginning Nov. 25, 2025, Mercury will be far enough west to peek above the horizon just before sunrise. Venus will also be naked-eye-visible as a bright point of light but you’ll want a telescope or a ...

Mercury’s disproportionately massive core may be the result of the Sun’s powerful magnetic influence rather than the consequence of a cataclysmic collision with another body in the ancient past, ...

Recent research indicates Mercury is shrinking, with its radius decreasing by 2.7 to 5.6 kilometers due to core cooling. This contraction forms thrust faults and scarps on the surface. A new ...

On Mercury, the Sun appears more than three times its size and seven times brighter than on Earth. As the closest planet to the Sun, Mercury’s temperatures soar to a scorching 430 degrees Celsuis ...

On the list of places in our Solar System that may have been habitable at one point, this chaotic, burning hot planet probably comes in last. Time to think again. In a counterintuitive new study, ...

Mercury is almost in retrograde. You may have heard people lamenting the astrological phenomenon, blaming their various woes on the planet's movement. But what does it mean for Mercury to be in ...

'These processes are a universal mechanism for aurora generation.' When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The way in which the radiant ...

"If our solar system is indeed moving this fast, we need to question fundamental assumptions about the large-scale structure ...