About 66,600 results
Open links in new tab
  1. Mercury - Science@NASA

    May 7, 2025 · Mercury Facts Mercury is the smallest planet in our solar system and the nearest to the Sun. Mercury is only slightly larger than Earth's Moon. It's the fastest planet, zipping around the Sun …

  2. Mercury - NASA Space News

    Mar 26, 2025 · Mercury, the smallest and closest planet to the Sun, has long puzzled astronomers. Despite its seemingly simple rocky appearance, its

  3. Mercury Facts - Science@NASA

    Apr 25, 2025 · Mercury is the smallest planet in our solar system and nearest to the Sun. It's only slightly larger than Earth's Moon.

  4. Mercury (planet) - Wikipedia

    According to NASA, Mercury is not a suitable planet for Earth-like life. It has a surface boundary exosphere instead of a layered atmosphere, extreme temperatures, and high solar radiation.

  5. All About Mercury | NASA Space Place – NASA Science for Kids

    Sep 25, 2025 · The MESSENGER spacecraft is the first ever to orbit the planet Mercury, and the spacecraft's seven scientific instruments, like the MASCS instrument used to create this colorful …

  6. Exploration of Mercury - Wikipedia

    Mercury-P (Меркурий-П/Mercury-Landing) is a proposed lander mission to Mercury by the Russian Space Agency. The probe would utilize solar-electric propulsion to reach Mercury orbit, before …

  7. Mercury: Exploration - Science@NASA

    Apr 25, 2025 · Because Mercury is so close to the Sun, it is hard to directly observe from Earth except during dawn or twilight when the Sun's brightness doesn't outshine little Mercury.

  8. Mercury Resources - NASA Science

    Nov 20, 2025 · This information sheet features images of Mercury taken from the Mariner 10 and MESSENGER missions along with general information, significant dates and interesting facts about …

  9. Mercury Gallery - NASA Science

    Sep 30, 2025 · The large, 400-kilometer-diameter (250-mile-diameter), impact basin Shakespeare occupies the bottom left quarter of this image from NASA's MESSENGER spacecraft.

  10. The Incredible Shrinking Mercury is Active After All - NASA

    Sep 26, 2016 · It’s small, it’s hot, and it’s shrinking. New NASA-funded research suggests that Mercury is contracting even today, joining Earth as a tectonically active