Space
- Space
Smallest planet yields big surprises
Spacecraft images reveal Mercury has a complicated inside and an active geologic past.
- Humans
Proposed cuts in planetary science take center stage
NASA officials endure slings and arrows of outraged researchers.
- Space
Titan’s haze is dropping
Change in elevation of cloudy layer suggests seasonal cycles on Saturn’s moon.
- Space
Ancient impact may explain moon’s magnetic mystery
Anomalies near crater suggest scattering of iron-rich debris.
- Space
Galactic smashup leaves dark matter debris
Find in ‘train wreck’ cluster forces astronomers to re-think theories about relationship between mysterious dark matter and galaxies.
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- Space
Aura of life captured in Earthshine
Light from Earth reflected off the moon contains the kind of information that could prove useful in the characterization of faraway exoplanets.
- Physics
Loose cable blamed for speedy neutrinos
In uncovering a technical flaw, physicists now know why an experimental result that couldn’t have been true wasn’t.
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- Physics
Crystals may be possible in time as well as space
A theory proposes that objects in their lowest energy state can loop through the fourth dimension forever, much as atoms arrange themselves periodically in matter.
- Space
Visible echoes reprise 19th century spectacle
By capturing light that arrived from a stellar eruption more than 150 years ago, astronomers gain clues to its cause.
