Uncategorized
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- Earth
Color-coded radar maps reveal a patchwork of California wildfire destruction
A composite made up of fine-scale vegetation maps from different years lets researchers track the story of plant loss and regrowth around Los Angeles.
- Earth
A magnetic field reversal 42,000 years ago may have contributed to mass extinctions
The weakening of Earth's magnetic field beginning around 42,000 years ago correlates with a cascade of environmental crises, scientists say.
- Astronomy
The first black hole ever discovered is more massive than previously thought
New observations of Cygnus X-1 are leading astronomers to rethink what they know about stars that turn into black holes.
