Astronomy
- Astronomy
A green visitor makes its approach
Comet Lulin, which passes closest to Earth on February 24, may be a sight for sore eyes.
- Space
Cosmic mystery
High-energy invaders from space could signal a nearby pulsar, or perhaps dark matter.
- Chemistry
New money for undergraduate research
A new program will foster interdisciplinary physical-science research at predominantly undergraduate colleges.
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- Space
Lopsided universe demands different explanation
Cosmologists analyzing an apparent asymmetry in the pattern of radiation reveal evidence for a new type of field in the early universe.
- Tech
Holiday Gifts: Blog Sites
Sample other blogs and let us know of notables that we missed that are also worth sharing.
- Astronomy
Stargazing Basics: Getting Started in Recreational Astronomy by Paul E. Kinzer
Cambridge Univ., 2008, 147 p., $19.99.
- Earth
The Hunt for Habitable Planets
Here and now, a new suite of small telescopes are poised to look for Earthlike planets beyond the solar system.
- Space
Hubble repair mission delayed yet again
Even as the Hubble Space Telescope was able to snap an image after several weeks of idling, a mission to visit and upgrade Hubble suffered another delay.
- Astronomy
Double the rubble: Nearby star system has two asteroid belts
Epsilon Eridani hosts an inner asteroid belt and planet arranged like those in the solar system.
- Astronomy
Ultramassive: as big as it gets
A black hole can consume anything in its path. These monsters can become huge — but perhaps only so huge.
