News
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Is that salamander virus flying?
Scientists searching for the carrier of the iridovirus causing a salamander disease have dismissed frogs and fish, but not birds.
- Astronomy
No signal from Mars Polar Lander
A radio signal that NASA hoped came from the vanished Mars Polar Lander has a terrestrial origin, scientists from the space agency and Stanford University have concluded.
- Astronomy
Super fireworks
A blast wave from supernova 1987A, the brightest stellar explosion witnessed from Earth since 1604, has begun lighting up a ring of gas surrounding the explosion.
- Health & Medicine
Marrow Can Hide Breast Cancer Cells
Breast cancer patients who have stray cancer cells in bone marrow are more likely to die of cancer or have a recurrence of cancer elsewhere in the body than are breast cancer patients not harboring such cells.
