If someone tried to put a price tag on Earth, what would that number even be based on? Land, oceans, ecosystems, raw ...

For anyone curious about what it's like to stand on another planet, Earth offers a few convincing previews. Mars may be 140 ...

Earth's vital limits are shattering. Humanity has now crossed seven of nine planetary boundaries, thrusting societies into ...

A pull in the right direction ...

The Earth channels cosmic power in the form of solar energy. The coming winter superstorm shows just what havoc that power ...

A mile-wide asteroid known as 2005 UK1 will safely pass Earth on Jan. 12, 2026, at 32 times the moon’s distance, posing no ...

Earth's magnetic field dramatically flipped roughly 41,000 years ago. Now you can actually 'hear' this epic upheaval, thanks ...

Scientists say they have found geochemical traces of Earth’s ancient self hidden far below our feet, suggesting that parts of the planet that existed before the Moon-forming collision 4.5 billion ...

P arts of the ocean reached temperatures of -15°C (5°F) without freezing 717-660 million years ago, geologists and ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

Evidence from fossil shells suggests that falling seawater calcium helped lock away carbon dioxide and helped cool Earth after the dinosaurs.

Earth’s deep interior may hold water equal to today’s oceans, challenging long-held views of how the planet became habitable.