Space
We summarize the week's scientific breakthroughs every Thursday.
- Physics
Capping the length of extra dimensions
The existence of a small, elderly black hole places a new upper limit on the length of any extra dimension, a new study suggests.
- Astronomy
The Star That Ate a Mars
COVER STORY: Scientists probe debris trapped by white dwarfs to learn more about what faraway Earthlike planets are made of.
- Planetary Science
Losing Louisiana
A new model predicts that rises in sea level, combined with subsiding lands, will claim a tenth of the state by century’s end.
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- Astronomy
Saturn’s moon may host an ocean
Geysers on Saturn's moon Enceladus could have delivered sodium from its underground ocean and into the planet's E ring
- Space
Iron-ic twist deepens cosmic ray puzzle
Researchers announce an intriguing new finding about the most energetic charged particles in the universe.
- Astronomy
Supernova may be in a new class
A recently discovered stellar explosion may be part of a new class of supernova.
- Tech
Proposed quantum motor runs with a kick
Scientists suggest a way to put ultracold atoms to work.
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- Space
Betelgeuse shrinks
A familiar star, visible to the naked eye, has shrunk dramatically in just 15 years.
- Planetary Science
Solar system’s future could be bumpy
A new study assesses the chances that two planets will collide or a planet will plunge into the sun in the next 5 billion years.
- Astronomy
Pinning down a pulsar’s age
Reporting at a meeting of the American Astronomical Society, researchers suggest some of these swirling stellar remnants are older, younger by a factor of 10.
