As of Sunday, July 6, the moon phase is Waxing Gibbous. According to NASA's Daily Moon Observation, 83% of the moon will be lit up and visible to us on Earth. This is day 11 of the lunar cycle, and we ...

Below the red section is purplish-brown terrain, which has a high concentration of silicates and a low concentration of iron, ...

Rocks from the Hadean Eon, the first period in the geological timescale, have been dated in Québec. These are some of the ...