Have you ever wondered why all the planets in our solar system orbit in the same plane? This fascinating characteristic of planetary orbits has intrigued astronomers for centuries. When we observe the ...

As the closest planet to the Sun, Mercury is exposed to the star's enormous gravitational field. And it's really stressful.

The new moon occurs on June 25. A day later, Mercury reaches its highest point in the evening sky, and on June 27, the young ...

Four prominent celestial objects — the moon, a bright planet and two bright stars — will come together to form a "celestial ...

Most meteorites that have reached Earth come from the asteroid belt between Mars and Jupiter. But we have 1,000 or so ...

Summer is here, and Mercury goes retrograde from July 17 until August 11 — the retrograde begins after the full moon lunar ...

Pieces of Mercury may have been found on Earth, potentially allowing scientists to study the Solar System's innermost planet. While we have sent two spacecraft to Mercury – Mariner 10 and ...

Until we visit Mercury and bring back material, it will be extremely difficult to assess a meteorite-planet link. The ...

“We also find an approximately 0.3 percent chance that Mars will be lost through collision or ejection and an approximately 0.2 percent probability that Earth will be involved in a planetary collision ...

Astronomers have spotted centimeter-sized “pebbles” swirling around two infant stars 450 light-years away, revealing the raw ...