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A new look at the sun's magnetic field

Sunspots, bursts of radiation and violent eruptions are signs that our sun is permanently active. Researchers have long known that this activity varies in a cycle of around eleven years' duration. Even if ...

3 minutes ago
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Dark matter is darker than once thought

This panel of images represents a study of 72 colliding galaxy clusters conducted by a team of astronomers using NASA's Chandra X-ray Observatory and Hubble Space Telescope. The research sets new limits on ...

13 minutes ago
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Image: The colors of sunset over the ISS

ESA astronaut Samantha Cristoforetti took these images from the International Space Station during her six-month mission. The Progress cargo ship and Soyuz crew spacecraft reflect sunlight as our star sets ...

Mar 26, 2015
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A new spin on Saturn's peculiar rotation

Tracking the rotation speed of solid planets, like the Earth and Mars, is a relatively simple task: Just measure the time it takes for a surface feature to roll into view again. But giant gas planets Jupiter ...

Mar 25, 2015
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Cluster satellite successfully shifts orbit

One of the four Cluster satellites has shifted its orbit to ensure a safe reentry when the time comes, as well as providing a rare opportunity to study how a satellite's exhaust plume interacts with the solar ...

Mar 25, 2015
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Mission studies the Sun in soft X-rays

At any given moment, our sun emits a range of light waves far more expansive than what our eyes alone can see: from visible light to extreme ultraviolet to soft and hard X-rays. Different wavelengths can ...

Boys plagiarise more than girls at school

How the brain remembers pain

Dwarf galaxy that reveals the history of the universe

The first galaxies were formed some 13.3 billion years ago, mainly composed of hydrogen and helium, the primary elements that emerged from the Big Bang. Their study to date has been technically very challenging ...

Public asked to help name features on Pluto

On July 14, NASA's New Horizons spacecraft will fly past Pluto, offering the first close-up look at that small, distant world and its largest moon, Charon. These denizens of the outer solar system will be ...

Image: Launch of first crewed Gemini flight

In a span of 20 months from March 1965 to November 1966, NASA developed, tested and flew transformative capabilities and cutting-edge technologies in the Gemini program that paved the way for not only Apollo, ...

Predicting pesticide loads more accurately

Diagnosing infectious diseases at the point-of-care

Economist probes the high cost of health care

Chemical fingerprints of ancient supernovae found

A Carnegie-based search of nearby galaxies for their oldest stars has uncovered two stars in the Sculptor dwarf galaxy that were born shortly after the galaxy formed, approximately 13 billion years ago. The ...

Measuring galaxy evolution with globular clusters

Globular clusters are gravitationally bound ensembles of stars, as many as a million stars in some cases, grouped in roughly spherical clusters with diameters as small as only tens of light-years. Globular ...

Climate fund signs up first partners

First glimpse inside a macroscopic quantum state

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