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It was four all along: More arms in Milky Way than...

A 12-year study of large stars has reaffirmed that our Galaxy has four spiral arms, following years of discussion sparked by pictures taken by NASA's Spitzer area Telescope that solely showed 2 arms.

How Stars Move at the Center of the Galaxy

Two months ago astronomers created a new 3D map of stars at the centre of our Galaxy (the Milky Way), showing more clearly than...

Watching the Milky Way grow up

Humans take the starry night for granted. But Earth’s night sky hasn’t always sparkled: In the distant past, during the infancy of the Milky...

Could a Milky Way Supernova Be Visible from Earth in Next...

Astronomers at The Ohio State University have calculated the odds that, sometime during the next 50 years, a supernova occurring in our home galaxy...

One thousand exoplanets in two decades

The milestone of 1,000 confirmed exoplanets was surpassed today after twenty-one years of discoveries. The long-established and well-known Extrasolar Planet Encyclopedia now lists 1,010 confirmed exoplanets....

New knowledge about early galaxies

The early galaxies of the universe were very different from today's galaxies. Using new detailed studies carried out with the ESO Very Large Telescope...

Fear not the supernova

Given the incredible amounts of energy in a supernova explosion – as much as the sun creates during its entire lifetime – another erroneous...

‘Weird science’ uncovered inside neutron star

A University of Alberta astronomer has glimpsed the inner working of a neutron star and found a unique world where the physics can be described as "weird." Craig Heinke's team found the neutron star's core contained a superfluid, a friction-less li...

Measuring science investments

Measuring the results of scientific research has seen little federal focus until now. A 2010 administrative memorandum calls on U.S. federal agencies and executive departments to develop tools to "better assess the impact of [...] science and ...

Qatar-led international team finds its first alien world

In an exciting example of international collaboration, a Qatar astronomer teamed with scientists at the Harvard-Smithsonian Center for Astrophysics (CfA) and other institutions to discover a new alien world. This "hot Jupiter," now named Qatar...

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