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

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to ...

The planets can be grouped into two categories: the inner rocky planets and the outer gas and ice giants. Planets of the Solar System in Order Rank Planet Average Distance from the Sun (km) 1 ...

Learn about all the planets in order from the Sun, their characteristics, and key facts that make them fascinating. ByJasreet Kaur. Jun 16, 2025, 22:51 IST. planets of the solar system.

Passing stars could trigger instability across the solar system, resulting in Earth being hauled out of its orbit.

For planets with more exaggerated eccentricities, the changing distance can have a bigger impact. Sunlight on Mars, for example, can vary as much as 31 percent along its orbit.

Lichen from the Mojave Desert has stunned scientists by surviving months of lethal UVC radiation, suggesting life could exist ...

According to the latest studies led by Heidelberg University astronomers, low-mass stars quite often host Earth-like planets.

Sky-watchers will get a rare chance to see all the major planets in our solar system bunched together—with the moon joining the festivities, too, from June 17 to June 27.

The European Space Agency's Solar Orbiter, in collaboration with NASA, has captured unprecedented images of the Sun's south pole from 40 million miles ...