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Risk of asteroid hitting Earth higher than thought, study shows

By Irene Klotz CAPE CANAVERAL, Florida (Reuters) - The chance of a city-killing asteroid striking Earth is higher than scientists previously believed, a non-profit group building an asteroid-hunting telescope said on Tuesday. A global network that listens for nuclear weapons detonations detected 26 asteroids that exploded in Earth's atmosphere from 2000 to 2013, data collected by the Comprehensive Nuclear Test Ban Treaty Organization shows.

Cave in Spain's Canary Islands may shed light on ancient astronomers

Santa Cruz, Spain, Apr 21 (EFE).- A cave located on Spain's Canary Islands, in what was probably the aboriginal region of Artevigua, could reveal an unsuspected knowledge of astronomy by the ancient islanders since it marks equinoxes and solstices, while inside it the light recreates images related to fertility.

Cave in Spain's Canary Islands may shed light on ancient astronomers

Santa Cruz, Spain, Apr 21 (EFE).- A cave located on Spain's Canary Islands, in what was probably the aboriginal region of Artevigua, could reveal an unsuspected knowledge of astronomy by the ancient islanders since it marks equinoxes and solstices, while inside it the light recreates images related to fertility.

Astronomers spot distant planet in "habitable zone"

Washington, Apr 18 (EFE).- NASA said that astronomers working with the Kepler Space Telescope have located the first Earth-sized planet within what is called the habitable zone: the right distance from a star to allow liquid water to pool on its surface. Dubbed Kepler-186f, the planet is some 500 light-years from Earth in the constellation Cygnus. The exoplanet was first spotted with the Kepler Space Telescope and the find was confirmed by observations from the W.M. Keck and Gemini Observatories in Hawaii.

Quest for extraterrestrial life not over

The discovery of an Earth-sized planet in the "habitable" zone of a distant star, though exciting, is still a long way from pointing to the existence of extraterrestrial life, experts said Friday. The planet, dubbed Kepler-186f, is the first of this size found orbiting its star at a distance that would allow it to have liquid water -- a prerequisite for the development of life, whether primitive or complex. But whether it has any, we may never know.

First Earth-sized planet found in 'habitable zone'

The hunt for potential life in outer space has taken a step forward -- an international team of researchers has discovered the first Earth-sized planet within the "habitable zone" of another star. The exoplanet dubbed Kepler-186f was first spotted by scientists using NASA's Kepler telescope, according to research published Thursday in the US journal Science.

First Earth-sized planet found in 'habitable zone'

The hunt for potential life in outer space has taken a step forward -- an international team of researchers has discovered the first Earth-sized planet within the "habitable zone" of another star. The exoplanet dubbed Kepler-186f was first spotted by scientists using NASA's Kepler telescope, according to research published Thursday in the US journal Science.

Sky-watchers see 'blood moon' in total lunar eclipse

By Irene Klotz CAPE CANAVERAL, Florida (Reuters) - Parts of the world saw a rare celestial event on Tuesday when the Earth's shadow fell across the moon, turning it orange. The lunar eclipse unfolded over three hours beginning at about 2 a.m. EDT, when the moon began moving into Earth's shadow. A little more than an hour later, the moon could be seen eclipsed and bathed in an orange, red or brown glow. Depending on local weather conditions, the eclipse was visible across a swath of the United States.

Google buys Titan Aerospace, maker of atmospheric satellites

NEW YORK, N.Y. - Google has bought Titan Aerospace, a maker of solar-powered drones, saying it could help bring Internet access to remote parts of the world as well as solve other problems. Financial terms were not disclosed. Google Inc. said Monday that atmospheric satellites could also be used in disaster relief and assessing environmental damage.

U.S. in prime position to see full lunar eclipse Tuesday

By Irene Klotz CAPE CANAVERAL, Florida (Reuters) - Night owls and early risers in North America will be able to watch a rare celestial show on Tuesday as Earth's shadow falls across the moon, shifting its color from bright orange to blood red to brown, depending on local weather conditions. The lunar eclipse will unfold over three hours beginning at 1:58 a.m. EDT when the moon begins moving into Earth's shadow. A little more than an hour later, the moon will be fully eclipsed and shrouded in a red glow.
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