Uncategorized
- Space
Runaway stars may create the mysterious ultraviolet glow around some galaxies
Hot blue stars kicked out of their birthplace can travel thousands of light-years to their galaxies’ hinterlands, new computer simulations show.
- Life
Dog ticks may get more of a taste for human blood as the climate changes
At high temperatures, some brown dog ticks that can carry the bacteria that causes Rocky Mountain spotted fever seem to prefer humans over dogs.
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Amid winter’s darkness, flashes of brilliance
Editor in chief Nancy Shute writes about the celestial conundrums of the Geminids meteor shower, the dimming of Betelgeuse and STEVE (the sky glow that is not an aurora).
