In addition to the plaques and records fastened to the Pioneer and Voyager space probes, we've occasionally fired up powerful radio transmitters to broadcast pictograms to stars near and far.
At a time when politicians say we need to be trimming the budget, why are senators pushing to spend $2 billion on their Senate Launch System, which uses an outdated approach to space exploration?
After a starquake, says NASA's Dr. Jon Jenkins, "stars actually change their shape. This shape change causes an apparent change in brightness. As we study the brightness variations in time, we can essentially hear the songs of the stars."
Science is not a special interest; it's a national interest. And it's time for organized labor -- as well as the business community -- to rally behind it.
by Sarah Laskow, Media Consortium blogger The negative impacts of climate change are coming on more quickly than anyone expected. According to a new...
Republicans are far more skeptical of "global warming" than of "climate change," a study led by a University of Michigan psychologist found. Among Democrats, on the other hand, about 85 percent do.
I spoke to NASA scientist Ira Leifer at length about data collected during the oil spill last summer, strengthening claims that oil was brought onshore in rain during the spill.
Yes, there's lots of junk among self-published titles. Let's be honest though. Traditional publishing also releases a lot of pollution.
Why do we continue to funnel money into programs like additional gas wells in the New York State watershed instead of embracing newer, cleaner programs like wind and solar?
Say this for Glenn Beck, he works fast. Less than 48 hours after we launched our campaign to let businesses say that the US Chamber of Commerce didn't represent them, Beck hit back.
The digitization of all things flight-related has left the station. That all this high-technology may sometimes err is as certain as the fallibility of low-tech humans.
When NASA crunched the numbers, they realized that they only had enough gas to take them about 800 miles.
Although it was government that led the first wave over the barricades of gravity, it is now the people who are taking on the work, and all hands are needed.
For graduate students who share my love of aviation, please consider applying for the Graduate Research Award Program on Public Sector Aviation Issues.
The asteroid Apophis might crash into the Earth on April 13, 2036. NASA says that the chance of impact is slim, but actor Bruce Willis is counting on it.