Space
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We summarize the week's science breakthroughs every Thursday.
- Space
Central star is no dim bulb
Observing the dusty center of the Milky Way, astronomers have the second brightest star known in the galaxy
By Ron Cowen - Space
Saturn’s moon may host an ocean
The Cassini spacecraft has found what may be the strongest evidence yet that Saturn's tiny moon Enceladus has an ocean beneath its icy surface.
By Ron Cowen - Space
An early record-breaker
A remote galaxy is churning out up to 4,000 newborn stars a year, making it the star-forming champ among galaxies in the early universe.
By Ron Cowen - Planetary Science
Lunar liquid
A new analysis of moon rocks has revealed that the moon isn’t as bone dry as researchers had thought, whetting the appetite of scientists who seek a deeper understanding of how Earth’s only natural satellite arose and evolved.
By Ron Cowen - Space
Messages from Mercury
Data collected by the MESSENGER spacecraft as it flew past Mercury last January has revealed the origin of the planet’s magnetic field, discovered evidence of early volcanic activity and provided a first look at the planet’s surface composition.
By Ron Cowen - Astronomy
Postcards from the edge
New data about the edge of the solar system offer surprises about how the sun interacts with our galaxy.
By Ron Cowen - Space
School teacher spots green blob
Mystery object appears to be a starless dwarf galaxy.
By Janet Raloff - Astronomy
Citizen Astronomy
Astronomers have found big benefits from recruiting the public to lend their eyes and image-processing prowess
By Janet Raloff - Astronomy
Too much information in the Odyssey
A controversial interpretation of passages from the Odyssey suggests that Homer knew much more about planetary motions than historians thought possible.
- Space
Martian soil hints at water, nutrients
The first chemical analysis of dirt by the Mars Phoenix Lander supports the notion that liquid water flowed on the Red Planet at some point.
By Ron Cowen - Astronomy
Impact may have transformed Mars
Three teams suggest that a huge object slammed into Mars, giving the planet an unusually dualistic topography.
- Space
Safe from black holes
The Large Hadron Collider could generate black holes, but they would be too tiny and short-lived to do any harm and would be no more malevolent than the cosmic rays constantly bombarding Earth, two new reports find.
By Ron Cowen