Blue clouds depict the planet's atmosphere, ... AU Mic b, which is located just 6 million miles from the star — a tenth of distance between our sun and its closest planet, Mercury.

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 reaches its point of greatest eastern elongation on Friday (July 4), presenting an excellent opportunity to spot the ...

It seems like it should be pretty easy to get to Mercury.The little rocky planet is so much closer to Earth than distant destinations like Jupiter, where we’ve successfully sent multiple ...

Mercury is the first planet in our solar system, closest to the sun, so its daytime temperatures can rise to 800 degrees Fahrenheit. It has no atmosphere, so nighttime temperatures can drop as low ...

Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits at only 0.387 astronomical units (AU), or about 36 million miles (58 ...

The Hubble Space Telescope captured an unexpected observation of a nearby planet that’s having its atmosphere blasted away by energetic outbursts from its star. It’s a dramatic change from the ...