All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event ...

The eight major planets of our Solar System orbit the Sun in the same flat plane, and all at different speeds. Mercury, the ...

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

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 ...

Starting at 12:30 p.m. ET (1730 GMT) on Saturday (Jan. 25), astrophysicist Gianluca Masi of the Virtual Telescope Project ...

A rare celestial event where seven planets align is visible in the UK skies. Discover how, when, and where you can observe ...

While claims of a “rare alignment” are overblown, you can still see up to six planets in the night sky this weekend. Here's ...

And being so close to the sun, it will be difficult to see. With eight planets in our solar system, they all have some very interesting traits. Here's a quick look at the planets aligning on this ...

The Red Planet will be at its closest point to Earth, also known as perigee, on Jan. 12 and will be exactly opposite the sun ...

Venus, Mars, Jupiter, Saturn, Neptune and Uranus will be visible over Britain from Tuesday evening and occurs just once every ...