▲ Peaking
Science
Earth's Plate Tectonics Evolved Dramatically 2.7 Billion Years Ago
New geological findings indicate a significant turning point in Earth's tectonic history approximately 2.5 billion years ago.
Plate Tectonics
4 trends tracked about this subject — the full history, oldest to newest below.
◼ Archived
Science
Ancient rocks reveal when Earth's tectonic engine 'switched on'
New research pinpoints when Earth's plate tectonics began, with ancient rocks revealing a dramatic shift 2.5-2.7 billion years ago.
◼ Archived
Science
🔮 fades ✓
Gypsum crystals discovered by Zhurong on roughly 760-million-year-old Martian terrain may still contain microscopic pockets of the brine they grew from — tiny sealed samples that could preserve the chemistry of liquid water from a surprisingly recent chap
Zhurong rover discovers gypsum crystals on 760-million-year-old Martian terrain that may contain sealed pockets of ancient brine.
◼ Archived
Science
🔮 holds
3.1 billion-year-old rocks in Australia reveal a forgotten chapter of Earth’s water cycle
Research on 3.1 billion-year-old Australian rocks indicates water played a significant role in early Earth's volcanic activity and interior processes.