Shining Light on Dark Energy
October 21, 2012
Fifteen years after cosmologists proposed the existence of dark energy, they have learned nothing about it. In “Cosmology: Out of the Darkness,” Matthew Chalmers discussed the current thinking of Brian Schmidt, who shared the Nobel prize in 2011 for discovering cosmic acceleration (actually, an inference based on light from supernovae; see 9/30/2012). “Fifteen years after […]
Weekend Grab Bag
October 14, 2012
Here are links to recent science findings and claims sure to stimulate thinking and further research.
Supernova Dating and Classification Is Not Simple
September 30, 2012
Bang! goes a star. Watch how fast its contents move, and you know the date, right? Watch its light curve, and you know the type, right?
Earliest Galaxy Points Out Flaws in Secular Cosmology
September 23, 2012
More evidence points to a fully-formed universe very soon after the beginning.
Turning Astrobiology Surprises Into Evolutionary Fiction
September 2, 2012
There's never been a surprise that a good astrobiologist hasn't been able to spin into an evolutionary tale.
Sun, Moon and Stars in the News
August 17, 2012
What's up in astronomy? Surprises, by heavens.
Dark Matter Remains Missing
July 21, 2012
The most sensitive test to date for dark matter in the form of weakly interacting massive particles (WIMPs) has turned up nothing.
Scientific Ignorance Becomes Apparent
July 18, 2012
Two reports indicate that what we know we don't know vastly exceeds what we think we know.
Inflation Again: This Time with Feeling
July 9, 2012
Inflation is dead. Long live inflation.
Scientific Markers Can Mislead
June 26, 2012
In historical sciences, observable phenomena are often used as indicators of past phenomena. Some recent examples show how these can mislead researchers.
Beethoven Rolls Under Darwin
June 18, 2012
Beethoven may indeed be rolling in his grave, but not for the reasons some Darwin-loving reporters think.
Venus Transit Recalls Adventures of Yore
June 5, 2012
Today's transit of Venus, in which our sister planet appears to cross the disk of the sun, will be the last till 2117. As observatories and millions of people watch the rare planetary alignment, few may know the stories of astronomers who predicted them and explorers who risked life and limb to observe them.
Astronomers Wrestle with "Endless Mysteries"
June 3, 2012
Some of the biggest questions in the universe remain completely baffling to astronomers, a leading journal admitted.
Doomed Worlds: Planets Seen Disrupting, Not Forming
May 23, 2012
Much as astrobiologists would like to see the birth of a new planet, the ones we observe seem to be dying, not being born.
What SETI Guru Wants to Know
May 18, 2012
Seth Shostak, a SETI advocate, has two key questions for aliens.