A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth. Venus will align with the sun ...

We’ve sent spacecraft to every planet in the solar system, but none of them are truly safe to explore. Each world destroys ...

A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

Discover why the solar system's planets are arranged as they are, shaped by formation conditions and planetary migration.

This composite image was weeks in the making, as Horálek’s two "crossings" happened months apart. Mars traced its path ...

Saturn reigns supreme when it comes to the number of moons orbiting any solar system planet. Including the 128 ...

Think our planet has some rough neighborhoods? Let’s be real, Earth is basically a luxury spa compared to what’s out there.

In February, you’ll be able to see Venus, Jupiter, Saturn, and Mercury with the naked eye, but you’ll need binoculars or a ...

Shining in the constellation Gemini near the bright stars Pollux and Castor, Jupiter's opposition is the best time to see the ...

Deep beneath the surface of distant exoplanets known as super-Earths, oceans of molten rock may be doing something ...

From Mercury to Neptune, observers in the United States will get to see this historic planet parade known as a large ...