Content Tagged As earth

3 years 11 months ago

Hawking: Aliens may pose risks to Earth

British physicist Stephen Hawking says aliens are out there, but it could be too dangerous for humans to interact with extraterrestrial life. Hawking claims in a new documentary titled "Into the Universe With Stephen Hawking" that intelligent alien life forms almost certainly exist - but warns that communicating with...

3 years 11 months ago

'Oceans' takes jaw-dropping plunge into sea

Fish that look like rocks - or scarves, or a jeweled brooch, or anything but fish - are among the fascinating underwater creatures that inhabit "Oceans." This stunningly beautiful documentary is the second in a series from the new Disneynature label, which gave us "Earth" exactly one year ago...

3 years 11 months ago

School embraces hydroponics

Heritage Elementary School students will celebrate a school-wide "Green Day" on Friday, April 30 from 8:10 to noon. Thanks to a $1,000 Sustainability Grant award from the Bechtel Corporation last fall, students and staff purchased hydroponic aerogardens for all classes to grow and harvest herbs, vegetables, and flowers. So much...

3 years 11 months ago

Rain, overcast sky delays space shuttle's return

Cloudy weather in Florida will keep space shuttle Discovery in orbit an extra day. Mission Control decided to skip both landing opportunities Monday morning. The next attempt to bring Discovery and its seven astronauts home will come shortly after sunrise Tuesday. On Monday, the sky cleared somewhat as the morning...

4 years 3 days ago

Space tourism stoking interest in summit

Space tourism is drawing attention to a weeklong summit for the aerospace industry in Colorado Springs. The 26th National Space Symposium starts Monday. This year's symposium is taking on a new importance as the industry mulls signals from the White House that space tourism is due for an expansion. Next...

4 years 3 weeks ago

New satellite begins sending solar data to Earth

A new NASA satellite designed to help predict disruptive solar storms has begun transmitting data to Earth about five weeks after launch. University of Colorado scientists say they began getting information from the Solar Dynamics Observatory on Friday. Controllers have been adjusting the satellite's Earth orbit since the Feb. 11...

4 years 6 months ago

Study: ‘Runaway’ melt on Antarctica, Greenland

The most detailed satellite information available shows that ice sheets in Greenland and western Antarctica are shrinking faster than scientists thought and in some places are already in runaway melt mode, a new study found. "Dynamic thinning of Greenland and Antarctic ice-sheet ocean margins is more sensitive, pervasive, enduring...

4 years 6 months ago

UN confronts climate change

A day before world leaders start talking politics at the U.N. General Assembly, they'll confront global climate change. The U.N. climate chief says China may be leapfrogging ahead of the United States on legislation to address climate change. As the U.N. opens a one-day climate summit today, Yvo de Boer...

4 years 6 months ago

Mercury leaking at closed California mine sites

Abandoned mercury mines throughout central California's rugged coastal mountains are polluting the state's major waterways, rendering fish unsafe to eat and risking the health of at least 100,000 impoverished people. But an Associated Press investigation found that the federal government has tried to clean up fewer than a dozen...

4 years 6 months ago

Study: Road salt harming many urban streams

Many urban streams have become salty enough to harm aquatic life, largely because of salt used for deicing roads in the winter, according to a new government study released Wednesday. The U.S. Geological Survey studied urban streams and groundwater for levels of chloride, a component of salt, in 20...

4 years 6 months ago

EPA tightens limits on power plant water pollution

For the first time in nearly 30 years, the Environmental Protection Agency plans to strengthen standards for water pollution from coal-fired power plants. The agency said Tuesday that equipment required to reduce air pollution has increased the harmful contaminants in water discharged by power plants. It also said that existing...

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