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Posts by
Editors of EarthSky
This songbird migrates 1,500 miles non-stop
The tiny blackpoll warbler completes a nonstop flight across the Atlantic in just two to three days. Amazing!
April 2, 2015
Mars rover finishes first-ever marathon on another world
On Tuesday, the Mars rover Opportunity completed a marathon - 26.2 miles (42.195 kilometers). Its finish time? Eleven years and 2 months.
March 26, 2015
Does wandering Jupiter account for our strange solar system?
Jupiter may have swept through the early solar system like a wrecking ball, destroying a first generation of inner planets before retreating into its current orbit.
March 24, 2015
EarthSky meets its first crowd-funding campaign goal in one day
Web users help support the popular science website, citing “the value and impact of science education,” “science and beauty” and “sharing the wonder” as reasons.
March 22, 2015
Most stars have planets in habitable zone
Researchers calculate that billions of stars in our Milky Way galaxy have 1-3 planets in the habitable zone, where there may be liquid water and life.
March 18, 2015
New California earthquake forecast
A new long-term earthquake forecast for California by the U.S. Geological Survey revises estimates for the chances of large earthquakes over the next several decades.
March 16, 2015
Underground ocean on Jupiter’s largest moon
An ocean below the surface of Jupiter's large moon Ganymede has more water than all earthly oceans, according to evidence from the Hubble Space Telescope.
March 15, 2015
Lack of snow forces Iditarod start north
Alaska’s famous Iditarod sled dog race traditionally runs from Anchorage to Nome. But this year, lack of snow forced a reroute and moved the kickoff 250 miles north.
March 12, 2015
Distant planet has four suns
Were it possible to see the skies from this world, the four parent stars would look like one small sun and two very bright stars visible in the daylight.
March 7, 2015
Mars lost ocean of water to space
About 4 billion years ago, a primitive ocean on Mars held more water than Earth's Arctic Ocean, say researchers, but Mars has lost 87 percent of it to space.
March 7, 2015
