Earth science

Anne Herdman Royal wears a brain hat during the March for Science on Saturday, April 22, 2017, in Chattanooga, Tenn. About a thousand demonstrators marched from the Main Terrain Art Park to Riverfront Parkway and back in support of science and education in solidarity with other marches nationwide. (Doug Strickland/Chattanooga Times Free Press via AP)
April 22, 2017 - 5:14 pm
WASHINGTON (AP) — The world saw brain power take a different form Saturday. From the Washington Monument to Germany's Brandenburg Gate and even to Greenland, scientists, students and research advocates rallied on an often soggy Earth Day, conveying a global message about scientific freedom without...
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Anne Herdman Royal wears a brain hat during the March for Science on Saturday, April 22, 2017, in Chattanooga, Tenn. About a thousand demonstrators marched from the Main Terrain Art Park to Riverfront Parkway and back in support of science and education in solidarity with other marches nationwide. (Doug Strickland/Chattanooga Times Free Press via AP)
April 22, 2017 - 5:03 pm
WASHINGTON (AP) — The world saw brain power take a different form Saturday. From the Washington Monument to Germany's Brandenburg Gate and even to Greenland, scientists, students and research advocates rallied on an often soggy Earth Day, conveying a global message about scientific freedom without...
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Anne Herdman Royal wears a brain hat during the March for Science on Saturday, April 22, 2017, in Chattanooga, Tenn. About a thousand demonstrators marched from the Main Terrain Art Park to Riverfront Parkway and back in support of science and education in solidarity with other marches nationwide. (Doug Strickland/Chattanooga Times Free Press via AP)
April 22, 2017 - 5:00 pm
WASHINGTON (AP) — The Latest on the March for Science, with events around the world intended to promote the understanding of science and defend science from attacks such as proposed U.S. government budget cuts (all times EDT): 4:50 p.m. Scientists, students and research advocates from the...
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Ellen Taylor from Albany, N.Y., poses with an Albert Einstein mask for a portrait at the March for Science event in Washington, Saturday, April 22, 2017. Scientists, students and research advocates rallied from the Brandenburg Gate to the Washington Monument on Earth Day, conveying a global message of scientific freedom without political interference and spending necessary to make future breakthroughs possible. (AP Photo/Sait Serkan Gurbuz)
April 22, 2017 - 2:41 pm
WASHINGTON (AP) — The Latest on the March for Science, with events around the world intended to promote the understanding of science and defend science from attacks such as proposed U.S. government budget cuts (all times EDT): 2:31 p.m. Kathryn Oakes Hall pinned a sign to the back of her T-shirt as...
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April 22, 2017 - 1:50 pm
WASHINGTON (AP) — The Latest on the March for Science, with events around the world intended to promote the understanding of science and defend science from attacks such as proposed U.S. government budget cuts (all times EDT): 1:45 p.m. Ice photographer and filmmaker James Balog, who says he was...
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Erin Greeson with the Planetary Society and Bill Nye "The Science Guy" talk backstage at the March for Science event in Washington, Saturday, April 22, 2017. Thousands of scientists worldwide left their labs to take to the streets Saturday along with students and research advocates in pushing back against what they say are mounting attacks on science. (AP Photo/Sait Serkan Gurbuz)
April 22, 2017 - 1:18 pm
WASHINGTON (AP) — The Latest on the March for Science, with events around the world intended to promote the understanding of science and defend science from attacks such as proposed U.S. government budget cuts (all times EDT): 1:10 p.m. Hundreds turned out in light rain for a pro-science rally on...
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People stand together holding placards during the March for Science day in Geneva, Switzerland, Saturday, April 22 2017. Thousands of people are expected to attend March for Science events around the world to promote the understanding of science and defend it from various attacks, including U.S. government budget cuts. (Martial Trezzini/Keystone via AP)
April 22, 2017 - 9:32 am
WASHINGTON (AP) — Thousands of scientists worldwide left their labs to take to the streets Saturday along with students and research advocates in pushing back against what they say are mounting attacks on science. The March for Science, coinciding with Earth Day, was set for more than 500 cities,...
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People stand together holding placards during the March for Science day in Geneva, Switzerland, Saturday, April 22 2017. Thousands of people are expected to attend March for Science events around the world to promote the understanding of science and defend it from various attacks, including U.S. government budget cuts. (Martial Trezzini/Keystone via AP)
April 22, 2017 - 8:32 am
WASHINGTON (AP) — Thousands of scientists worldwide made plans to leave their labs and take to the streets Saturday to rail against what they say are mounting attacks against science. The March for Science, coinciding with Earth Day, was set for more than 500 cities, anchored in Washington and to...
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In this photo provided by Jim Best/University of Illinois, taken in 2016, a close-up view of the ice-walled canyon at the terminus of the Kaskawulsh Glacier, with recently collapsed ice blocks. This canyon now carries almost all meltwater from the toe of the glacier down the Kaskawulsh Valley and toward the Gulf of Alaska and the Pacific Ocean instead of the Bering Sea. (Jim Best/University of Illinois via AP)
April 17, 2017 - 12:33 pm
WASHINGTON (AP) — Scientists have witnessed the first modern case of what they call "river piracy" and they blame global warming. Most of the water gushing from a large glacier in northwest Canada last year suddenly switched from one river to another. That changed the Slims River from a 10-foot (3...
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FILE - In this Tuesday, Sept. 25, 2007 file photo, cosmonaut Georgy Grechko stands in front of a painting showing Yuri Gagarin, the first human in space, at the Russian cosmonauts living quarters in northern Moscow, Russia. Russian space agency Roscosmos said on Saturday, April 8, 2017 Soviet-era cosmonaut Georgy Grechko has died at age 85. Grechko made three trips into space between 1975 and 1985, spending a total of 134 days off the Earth. His longest was a stay of more than three months aboard the Salyut-6 space station in 1977-78. (AP Photo/Mikhail Metzel, file)
April 08, 2017 - 11:55 am
MOSCOW (AP) — The Russian space agency Roscosmos says Soviet-era cosmonaut Georgy Grechko has died at age 85. Grechko made three trips into space between 1975 and 1985, spending a total of 134 days above the Earth. His longest was a stay of more than three months aboard the Salyut-6 space station...
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