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Dusty galaxy in the early universe
A very early galaxy containing what astronomers call "dust" - elements such as carbon, iron and oxygen - raw materials for making planets.
March 8, 2015
In 2015, first of six supermoons comes on January 20
The first supermoon of 2015 comes on January 20. It's not a full moon. It's a new supermoon, between the Earth and sun. So you won't see it, but those along coasts might experience higher-than-usual tides in the coming day or two.
March 8, 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
How often does a solar eclipse happen on the March equinox?
A total solar eclipse happened on the day of the March equinox in 2015. When is the next one after this, and how often do we get an equinox-eclipse?
March 7, 2015
Dawn spacecraft arrives at Ceres!
The Dawn spacecraft has made history. It has become the first mission to visit a dwarf planet when it successfully slipped into Ceres' orbit on March 6.
March 6, 2015
Moonrise over Gunnison
The full Worm Moon rising over Gunnison, Colorado on Thursday night. Photo by Matt Burt.
March 6, 2015
Towering dust devil on Mars
Dust devils on Mars can be some 10 times larger than any tornado on Earth. They're a Martian version of extreme weather.
March 5, 2015
We’re genetically more like our fathers
Look like your mother? Act like your mother? Maybe so, but a new study says we mammals are more genetically similar to our fathers.
March 4, 2015
Composites of October 8 moon eclipse
As the April 4 lunar eclipse approaches ... some interesting composites from the last lunar eclipse.
March 4, 2015
