All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known as a ...

the closest point in the body's orbit to the sun. (The point at the end of the apsis is the aphelion). For some bodies, like all of the planets of the solar system, the difference between the ...

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

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

That puts it only slightly farther than Mars' current orbit of 1.5 AU from the sun. The simulations show that just one substellar object flyby was sufficient to alter the giant planets' trajectories.

Mars, Venus, Jupiter, Saturn, Uranus and Neptune will appear together in a row throughout the start of February – although Neptune and Uranus will only be visible with binoculars or a telescope.

Hot Jupiters are planets with masses similar to that of Jupiter, but orbit close to their star, at a much smaller distance than Mercury is to the Sun ... seemed all the more solid as there ...

Witness a rare celestial spectacle! Seven planets, including Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune, will align in the sky for one night only. Don't miss this stunning planetary ...