TEHRAN, July 17 - Astronomers have discovered 12 new moons circling Jupiter. With a total of 79 moons, Jupiter is now the most lunar-rich planet in the solar system.
TEHRAN, June 29 - A variety of geological patterns on Mars suggests the Red Planet once hosted water. Several of these patterns recall the fluvial steam networks found on Earth.
TEHRAN, June 25 -Until now, scientists had only found roughly two-thirds of the cosmos' ordinary matter. But astronomers have solved the so-called "missing baryon problem," locating the last reservoir of missing ordinary matter.