Snowball Earth theory gets a boost from Colorado rock findings Tava sandstone formation provides key evidence for global ice ...
China's Chang'e-6 mission has returned the first surface samples from the moon's far side, unveiling new details about lunar ...
Rock samples returned by Chang'e-6, which had touched down on the lunar surface a few months earlier, have revealed two volcanic events that occurred on the moon's far side 2.8 billion years ago and 4 ...