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Science History
The Astronomer Who Brought the Cosmos Closer to Us
Celebrating 90 years since the birth of Carl Sagan, the face of science for the public through popular books and a hit TV series.
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Science news
Uranus - New Insights into a Magnetic Mystery
Strange findings regarding Uranus's magnetic field may not have been representative of its typical state
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Science news
First Private Spacewalk: This Week in Space
Communication satellites, record crowding in space, and a new volcano.
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Science news
Israeli Intelligence and Chinese Samples: This Week in Space
A major deal for ISI, China's Mars samples, Polaris mission underway, NASA's space sail, and the end of Vega.
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Ask the expert
Why is the Night Sky Dark?
If the universe is infinite and filled with shining stars, we might expect a continuously bright sky. Why then is it dark at night?
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Science news
Water is From the Moon, Diamonds are From Mercury: This Week in Space
Evidence of water-containing crystals on the Moon, a deep diamond layer in Mercury, and looming shutdown threat to the Chandra X-ray Observatory.
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Science news
Echoes of Solar Fury - Solar Storms in Earth’s Memory
A Miyake event—an intense and rare solar storm—can have lasting effects on both nature and humanity
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Science news
Earth’s Twin Planet: This Week in Space
Sample collection from the far side of the moon, Boeing launches a leaky spacecraft, and a particularly intriguing planet is found.
