Astronomers describe Mercury as an "inferior planet", because its orbital path around the sun is much closer than that of ...

Earth Does Not Orbit Around the Sun But Around a 'Center of Mass,' Claim Researchers 'How planets revolve' is possibly one of ...

Our planet whirls around the sun in an ellipse, rather than a circle. On Thursday the planet will reach its farthest point from its star, known as aphelion. By Katrina Miller This article was ...

Mercury is an odd little planet. The closest world to the Sun has some extreme surface structures, steep hills and cliffs, ...

Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the ...

On July 3, 2025, at 3:54 pm ET, the Earth will officially reach its furthest point from the Sun for this year. This is called ...

Earth, like most planets out in the cosmos, famously spins on an axis, but what if it didn’t? What if one day, instead of ...

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

A stronomers are scratching their heads over a recently discovered planet. The planet, dubbed TOI-6894b, orbits a star 238 ...

In a stellar nursery 460 light-years away, astronomers sharpened old ALMA data and spotted crisp rings and spirals swirling ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...