"L2" – Ground Zero in the Search for Dark Energy a Million Kilometers from Earth
The spiral galaxy NGC 4258, 25 million light-years away, shown in the image left, is one of many that contain visible Type Ia supernovae, which astronomers use to tell...
Image of the Day: Russia’s Fires Creating "Brown Clouds" from Asia to the Amazon
This image was taken by the European Space Agency’s Envisat Earth-observing satellite. Moscow is in the lower left corner of the frame, and the field of...
The Daily "140" Insight: The Spiritual
“We are not human beings having a spiritual experience. We are spiritual beings having a human experience.” Pierre Teilhard de Chardin, French philosopher Image credit: Jan Reurink Read more here: The Daily "140"...
Explore the Red Planet with "Google Mars"
“No cities. No seas. No forests and no battlegrounds. No prairies. No nations. No histories and no legends. No memories. Just features, features and names....
Image of the Day: The Awesome Beauty of Colliding Galaxies
A new image of two colliding galaxies, which began more than 100 million years ago and is still occurring, has been released by NASA’s Great...

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