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Posts by
Deborah Byrd
Mars’ north pole at northern summer solstice
What's it like at the north pole of Mars, at the time of the northern summer solstice? Check out this image from ESA's Mars Express spacecraft.
August 7, 2011
Alfred McEwen: Possibility of flowing salty water on Mars
Thousands of dark, finger-like features extend down slopes during late spring and summer on Mars. Alfred McEwen said it might be salty water flowing today.
August 4, 2011
Humanity winning on global challenges, yet world is unstable
The 2011 State of the Future Report says the world is in a race between an improving human condition - and bigger and more complex global problems.
August 3, 2011
World’s biggest fungus found under tree in China
"We did not know the fungus can grow so huge," said Professor Yu-Cheng Dai, who made the discovery. "A small piece of the fruiting body is almost like my size."
August 2, 2011
In 2011, 7 billion humans and counting
Expect 7 billion humans by October 31, according to experts at the Population Reference Bureau, which released its 2011 World Population Data Sheet on July 27.
July 31, 2011
Final photo of Atlantis in space: End of an era
On July 21, just 21 minutes before Atlantis' final deorbit burn, astrophotographer Thierry Legault captured this image of the shuttle crossing in front of the sun.
July 25, 2011
See the space shuttle in photos from final flight
Photos from STS-135, the historic final flight in NASA's space shuttle program.
July 21, 2011
Asteroid Vesta seen in 1st Dawn image
NASA engineers estimate that Dawn orbit capture around Vesta took place around 5 UTC Saturday, July 16. This image is from 9,500 miles (15,000 kilometers) away.
July 19, 2011
It’s dry across the US South and Southwest in summer 2011
Here in Texas and for 13 other states in the U.S. South and Southwest, severe drought conditions continue. Read more about dry weather.
July 17, 2011
Celebrate Neptune in awesome images
Today marks the completion of Neptune's first known orbit in human history. Voyager 2 gave us images of Neptune the early observers would have envied.
July 12, 2011
