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 ...

Which solar system model is best? For as long as humans could look up at the night sky, we’ve been fascinated with the stars. How far away are they? Where did they come from? What secrets do they hide ...

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, ...

A spacecraft taking the scenic route to Mercury successfully completed a crucial maneuver on its journey: a precisely choreographed swing past Earth. The spacecraft, BepiColombo, represents a ...

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 ...

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