Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...

Six planets will form a rare planetary alignment in the night sky on Jan. 21; here is everything you need to know about the ...

However, as these planets make their way across the sky in this "parade", Mars is expected to suddenly disappear, due to it passing directly behind the full moon. Stock image of Mars (main ...

Most of the other moons in our solar system are a tiny fraction the size of their parent planets. Most of the these relatively small moons were likely asteroids gravitationally captured by the ...

For more information on this year's full moons and biggest celestial ... Venus is another planet that continues dominating the western sky after sunset. Venus and Saturn will have their closest ...

The full moon will be at peak illumination at ... the sun from the vantage point of Earth. As the two planets travel along their orbital paths, Earth will be between Mars and the sun.

Opinions expressed by Forbes Contributors are their own. Jamie Carter ... sight of 2025 — a panorama of bright planet Venus and a delicate crescent moon. Best viewed on Jan. 3, the duo appeared ...

From late January to early February, a rare planetary viewing will occur early in the crisp winter night sky, early in the evening. The Moon will enter its New Moon Phase, and six planets will be ...

NASA's TESS exoplanet hunter has found the fastest-disintegrating planet ever. Losing a moons-worth of matter every million ...

Researchers accounted for the previously overlooked structures of the dwarf planet and moon in computer simulations of a ...