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July 16, 2002 / 4:00 PM

Estrogen use linked to ovarian cancer

BETHESDA, Md., July 16 (UPI) -- A new study suggests women who take estrogen as hormone replacement therapy for an extended period of time have a significantly higher risk of ovarian cancer, leaving many women wondering about the safety of hormone therapy.

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Air Force secretary gets taste of future of aviation combat in AI-piloted craft

Science News // 17 hours ago

Air Force secretary gets taste of future of aviation combat in AI-piloted craft

May 4 (UPI) -- An AI-piloted experimental fighter gave Secretary of the Air Force Frank Kendall a glimpse of the future during a relatively low-speed demonstration flight this week.

Research: Rising temperatures threatening bumblebee populations

Science News // 1 day ago

Research: Rising temperatures threatening bumblebee populations

May 3 (UPI) -- New research from the University of Guelph said on Friday that temperatures are becoming too hot for bumblebees, threatening their role as plant pollinators and the food supply for humans and other animals.

Orangutan treats facial wound with medicinal plant

Science News // 1 day ago

Orangutan treats facial wound with medicinal plant

Primates are capable of tending to wounds using medicinal plants, a new case report says.

China launches probe set to probe dark side of moon

Science News // 2 days ago

China launches probe set to probe dark side of moon

May 3 (UPI) -- China hopes to return samples from the far side of the moon in a mission that started Friday with the unmanned rocket launch from the Wenchang Space Launch Center.

SpaceX successfully launches Maxar Intelligence next-gen satellites

Science News // 2 days ago

SpaceX successfully launches Maxar Intelligence next-gen satellites

May 2 (UPI) -- SpaceX successfully launched the Maxar 1 mission carrying two next-gen WorldView Legion satellites Thursday from Vandenberg Space Force Base in California.

NASA chooses 9 companies for Mars Exploration Program concept studies

Science News // 3 days ago

NASA chooses 9 companies for Mars Exploration Program concept studies

May 1 (UPI) -- Officials with the National Aeronautics and Space Administration will pay nine companies between $200,000 and $300,000 each to conduct a dozen tests to support future missions to Mars.

NASA prepping for mid-May Arctic Circle balloon flights

Science News // 4 days ago

NASA prepping for mid-May Arctic Circle balloon flights

April 30 (UPI) -- NASA is planning to launch its long-duration balloon campaign from Sweden to gather scientific data to assist with several projects starting in mid-May.

NASA announces new Stennis Space Center director

Science News // 5 days ago

NASA announces new Stennis Space Center director

April 29 (UPI) -- NASA named John Bailey as the space agency's new director of the Stennis Space Center in Mississippi on Monday, four months after he started serving as acting director.

Decaying El Nino created prime conditions for tornado outbreaks

Science News // 5 days ago

Decaying El Nino created prime conditions for tornado outbreaks

April 29 (UPI) -- Dozens of tornadoes hit the central U.S. Friday through Sunday, tearing through suburbs and small towns and damaging hundreds of homes from Oklahoma to Nebraska and Iowa.

SpaceX sends another batch of Internet satellites aloft

Science News // 6 days ago

SpaceX sends another batch of Internet satellites aloft

April 28 (UPI) -- Atop a million pounds of liquid propellant, SpaceX launched its next in a series of Falcon 9 rockets riding a column orange fire and exhaust from Florida on Sunday, rumbling out over the Gulf Coast.

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