News
- Astronomy
News flash: Earth still has only one moon
An object discovered orbiting Earth in early September isn't a moon but something much more mundane—an upper stage of a rocket that was used in the Apollo 12 mission to the moon.
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Spying on Plant Defenses: Insects monitor toxin ramp-up
A common caterpillar can sense when a plant is gearing up to manufacture insecticidal toxins and respond by starting up its own detoxification system.
- Earth
Snowball Melting? Ancient formation shows glacier activity
An ancient, well-preserved glacial formation in Oman provided evidence that Earth experienced intermittent ice ages like those in Earth's more recent history.
