Far smaller and closer to the Sun than it should be, Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission arriving in 2026 might ...

Mercury, the first planet from the Sun - The Forgotten Planet. With the search for life beyond Earth primarily focusing on Mars and the rest of the solar system, it’s easy to forget about the small ...

A European-Japanese space mission will reach Mercury in 2026, carrying instruments designed to answer a question that has quietly unsettled planetary science for decades: how does a planet like this ...

Mercury is a planet of extremes. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The planet is named after the Roman deity Mercury, the speedy ...

"It's really exciting to start seeing the link between the planet's surface and the plasma environment." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. David Rothery, Professor of Planetary Geosciences, ...