An curved arrow pointing right. This is the first complete topographic map of Mercury. It reveals the lowest and highest points on the planet as well as unprecedented detail Mercury's north pole.

Indeed, our understanding of Mercury’s surface features and chemical ... to create highly detailed topographical and spectral maps of the planet. These are the most detailed views we have ...

And now, after a decade-long analysis, Sontag and his colleagues have figured out how to use such feathers to create a living map of the mercury contamination that increasingly threatens Southern ...

Seven planets are on display in the night sky at the end of February, but some will be harder to spot than others. Here’s ...

While the weather might be tough for seeing it tonight, there's a chance to see a 7-planet alignment in the skies tonight in Massachusetts. Supposedly, this will be the last such alignment of planets ...

According to NASA, multi-planet lineups are visible "every few years," but a seven-planet alignment is particularly uncommon, as each planet's orbit varies, with some moving more quickly and Mercury, ...