The six planets were visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, Venus, Jupiter and Saturn should be visible to the naked eye. You'll need a ...

Elon Musk has come under fire after he appeared to give a Nazi-style salute while on stage at Donald Trump's inauguration on ...

Venus and Saturn are currently in conjunction, meaning the planets appear close together in the night sky from Earth. These ...

The Mars Express orbiter launched to the Red Planet. Twenty years later, ESA has delivered a high resolution color image of ...

Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: ...

Throughout January, six planets will line up in the night sky, with tonight offering the best chance of viewing the ‘planet ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Mars will be making its closest approach to Earth in two years, and thus, the mighty red planet, named for the god of war ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

Last week, a full moon lit up the sky but it was another celestial moment, one that’s more rare, that wowed sky-gazers and ...

Twenty years ago, the Huygens probe achieved humanity's first landing on a moon in the outer solar system when it touched ...

Venus, Saturn, Jupiter and Mars are all visible after sunset, but social media claims about it being a rare "planetary ...