Mercury joins the night sky to complete a 7-planet alignment just after sunset for the end of February. Saturn leaves our ...

This region also features “wrinkle ridges” caused by the cooling and contraction of Mercury’s interior. These features provide a unique glimpse into the planet’s thermal evolution ...

The two orbiters are still nicely packed inside their carrier spacecraft ... several just two other missions to Mercury to date (because, as ESA says, this planet is harder to reach by spacecraft ...

The newly released images show permanently dark craters spotting the surface of the planet closest to our Sun. Nearby volcanic plains and the largest impact cater on Mercury–over 930 miles wide ...

Mercury takes only 88 Earth days to orbit the sun.

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

Observe the sky today as the historic seven planets parade is visible from America. Stargazers will be excited to see this on ...

We'll see six planets in the first part of February – Mars, Jupiter, Uranus, Neptune, Venus and Saturn – and on Feb. 28, they'll be joined by Mercury. But not all of them will be visible to ...

For this alignment, Mercury will be on the far side of the sun, according to EarthSky. And being so close to the sun, it will be difficult to see. With eight planets in our solar system ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus ...