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 ...

Uranus entering Gemini last week has been kicking my ass. I feel like my nervous system is on hyperdrive, like I’m mainlining ...

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

For folks in the United States, July evenings mean 4th of July fireworks. While you're waiting for the show, be sure to watch ...

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 ...

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 moon will make a close pass to the planet.

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 ...

Mercury, the closest planet to the sun, moves faster than Earth. It orbits the sun in 88 days, as opposed to our 365. So ...

Mercury will reach its greatest eastern elongation, marking the point where it is farthest from the Sun in the evening sky.