Medicine & TechnologyNew analysis of Apollo 17 zircon crystals shows the moon's formation was 40 million years earlier than thought, suggesting even greater age. Read the article for more details.
The oldest record of plate tectonics is sealed in ancient zircon crystals scientists found in South Africa. Read on to find out how a geological activity was recorded in those rocks.
Several years after science experts discovered what was considered the oldest crater made by a meteorite on Earth, another team found it is actually the outcome of normal geological processes.