All Stories by Ron Cowen
- Space
Fermilab data hint at possible new particle
For the second time in weeks, results from powerful collisions of protons and antiprotons at Fermilab’s Tevatron accelerator can’t be explained with standard model of physics.
- Physics
Remodeling the standard model
Physicists could be on the verge of discovering a new elementary particle, studies at a U.S. accelerator suggest.
- Space
First portraits of Mercury from orbit
MESSENGER spacecraft to capture more than 1,500 images in three days.
- Space
First shot of Mercury from orbit
MESSENGER has radioed to Earth a new look at the first rock from the sun.
- Space
Planets take shape in embryonic gas clouds
A new theory of planetary formation may explain variety seen in extrasolar searches.
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Star Cents
How the cost of NASA’s next big space telescope skyrocketed.
- Space
Laser proposed to deflect space junk
A ground-based device would use light to push debris off a collision course.
- Space
MESSENGER eases into Mercury’s orbit
After three flybys, a NASA spacecraft settles in for a closer look at the first planet.
- Astronomy
New study gives dark energy a boost
Measurements provide further evidence for a cosmic push that is accelerating the expansion of the universe.
- Space
Meteorites may hold fossils from space — or not
Skepticism greets claim that three space rocks may contain microfossils of extraterrestrial bacteria.
- Space
The best next space missions
The National Research Council issues recommendations for planetary science projects that NASA and NSF should fund starting in 2013.
- Space
Stellar wormholes may exist
Tunnels through spacetime would connect pairs of stars, new simulations suggest.
