On July 4, Mercury will be easiest to spot in the evening sky. Just after sunset, look toward the west-northwest. Even if you ...

Studies of 15 M-type stars have revealed new insights into the potential presence of exoplanets. A new study led by ...

Mercury moves super fast around the Sun, finishing its year in just 88 Earth days. The planet has crazy temperature swings, ...

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

As the planet closest to the Sun, Mercury has it rough. Not only is it the smallest planet in our solar system, but Mercury's ...

"Mercury has had an exposed surface for at least 3.5 to 4 billion years and some of those surfaces are extremely cratered to the point where there are so many craters they start to obscure one ...

A spacecraft has sent back some of the most detailed and breathtaking images of Mercury's north pole, shedding new light on the mysterious, shadowy regions of the small planet closest to the Sun ...

I know that more than 400 craters of Mercury have been named so far—all of them for artists, writers, poets and creatives of different disciplines, as just those on Mars are named for scientists.

The earliest of Mercury’s craters were named in 1976, and the most recent batch of names given out in 2022 were Lorde (after the American writer Audre Lorde), MacNicol (after the Scottish ...

Mercury’s surface is a jumble of hills, plateaus and grooves (SN: 5/10/16). Previous theories suggested that long-ago volcanic outbursts were primarily responsible for the chaotic terrain.

Glaciers are surprising to find on Mercury because of its proximity to the sun; the planet is 2.5 times closer to our star than Earth is. At that small distance, things are a lot hotter. Yet ...