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 ...

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 ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though only slightly larger than Earth’s Moon, Mercury endures some of the most ...

The elusive planet Mercury reaches its furthest point from the sun on Friday (Jan. 12), with this separation allowing skywatchers a chance to spot the tiny planet. The fact that Mercury is the closest ...

"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 ...

Mercury is a cold and desolate planet that appears to have little surface, no sign of water, and little atmosphere that can be observed. Wikimedia Commons A European-Japanese space mission will reach ...