Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

Mercury currently appears as a bright "evening star" in the southwestern sky at sunset. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Mercury ...

A European-Japanese space mission will reach Mercury in 2026, carrying instruments designed to answer a question that has ...

If you've never sighted this rocky little world for yourself, you'll never get a better opportunity than right now to see it. When you purchase through links on our site, we may earn an affiliate ...