For roughly 2 billion years of Earth's early history, the atmosphere contained no oxygen, the essential ingredient required ...
When astronauts set foot on Mars, it will be one of humanity’s greatest milestones, marking the start of a new era of ...
Green Matters on MSN
NASA's telescope spots possible sign of life on distant Earth-like exoplanet
More studies are needed to determine whether TRAPPIST-1e has an atmosphere at all, or the hints of methane are linked to the ...
Morning Overview on MSN
Scientists push plan to dim the sun to cool Earth
As climate targets slip out of reach and heat records fall year after year, a once-fringe idea is moving toward center stage: ...
Scientists have discovered that complex life began evolving much earlier than traditional models suggested. Using an expanded ...
Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...
Study finds Earth's ancient atmosphere may have produced essential sulfur biomolecules like cysteine, challenging theories on ...
Researchers recreated conditions from billions of years ago and found that Earth’s young atmosphere could make key molecules ...
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