astronomers found a planet orbiting the nearest star to Earth in this system, called Proxima Centauri. Graphic representation of the relative distances between the nearest stars and the Sun.

The search for planets beyond our solar system has taken an exciting leap forward, thanks to advancements in space missions ...

A very rare treat is about to grace Earth's night skies.

To understand what happened to Pluto, we must actually go back to the late 1700's, when a number of astronomers thought that there was something odd to the spacing of the planets orbiting the Sun.

The Sun, the planets, and all else that constitutes the solar system are hurtling toward the star Lambda Herculis, some 370 ...

To retain vast oceans similar to Earth, the planet would have to be about 10 AU away, or roughly the distance of Saturn from the sun. The second ... Generation Planets Orbiting White Dwarfs ...

TNOs are small bodies, or 'planetesimals,' orbiting the sun beyond Pluto. They never accreted into planets, and serve as pristine time capsules, preserving crucial evidence of the molecular ...