If someone tried to put a price tag on Earth, what would that number even be based on? Land, oceans, ecosystems, raw ...
The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...
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 ...
Our planet is unique for its ability to sustain abundant life. From studies of the rock record, scientists believe life had already emerged on Earth at least 3.5 billion years ago and probably much ...
Earth is often described as a water world, but how that water arrived has never been settled. For years, the focus has rested ...
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 ...
A pull in the right direction ...
HD 189733 b orbits so close to its star that distance almost stops mattering. The planet was logged in 2005, one of many ...
P arts of the ocean reached temperatures of -15°C (5°F) without freezing 717-660 million years ago, geologists and ...
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