Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Posts by
Jorge Salazar
A cholera early warning system with satellites?
As Earth's climate warms, surface waters remain warm for longer and lengthen the "cholera season" for countries like Bangladesh. Marine microbiologist Rita Colwell describes a cholera early warning system that could help combat outbreaks.
March 11, 2008
Arctic change faster than people imagined
Ben Holt talked about Arctic change and said "there is a sense of urgency, and that the Arctic is rapidly changing, faster than people might have imagined."
March 9, 2008
‘Betelgeuse could become a supernova any day now’
Betelgeuse - the somber red star in the shoulder of the constellation Orion the Hunter - is one of the largest stars visible to the eye alone. Massive stars like Betelgeuse will eventually explode as supernovae. Astronomer Brad Schaefer told Earth & Sky that Betelgeuse could become a supernova any day now.
March 8, 2008
Nobel laureate brings microcredit to poor in Latin America
Microcredit - loans to the poor made without collateral - is catching on in Latin America with the help of the Whole Planet Foundation, according to Muhammad Yunus.
March 6, 2008
Martian hot springs may have harbored life
In 2007, scientists took a step forward in finding evidence for former life on Mars. A rock split open by the wheels of the Mars Spirit rover revealed that it, and rocks surrounding it, were made of more than 90 percent silica. These silica-rich rocks might be deposits from former hot springs on Mars, similar to hot springs found at Yellowstone National Park.
February 28, 2008
Our solar system is squashed, says scientist
Evidence from the Voyager spacecraft reveals that the shape of our solar system is 'squashed.' Ed Stone, Chief Scientist of the Voyager Mission, told EarthSky that the sun creates a bubble around itself. He said that in August of 2007, Voyager 2 reached the edge of the bubble about a billion miles closer to the sun than Voyager 1 did in 2004.
February 1, 2008
Climate change and shrinking water supply
A 2008 study shows that climate change has caused available water to shrink in the western U.S. during the last half century. And even bigger changes may lie ahead ..
January 28, 2008
Climate change and the resulting sea level rise
"Now when we look to the future, Greenland and Antarctica are the big gorillas. If Greenland were to melt, it's about 23 feet vertically for sea level." Read more on climate change.
January 28, 2008
Hurricanes and robot airplanes
Crewless robotic aircraft will fly into the lowest and most turbulent layers of hurricanes, spiral up the eye, or loiter above the top of the storm to gather data beyond reach using traditional methods.
January 22, 2008
Giant gas cloud headed straight for our galaxy
The giant gas cloud measures 11,000 light-years long and 2,500 light-years wide, and it's moving toward the Milky Way at a speed of 150 miles every second.
January 11, 2008
