Massive stars mark out Milky Way's 'missing' arms

A 12-year study of massive stars has reaffirmed that our Galaxy has four spiral arms, following years of debate sparked by images taken by NASA's Spitzer Space Telescope that only showed two arms.

Two new studies suggest ways of improving traffic flow

(PhysOrg.com) -- Two studies have just been published that may help improve traffic flows. The first, presented as a Santa Fe Institute working paper for September, concluded that if traffic lights responded to measured traffic ...

Hubble unveils monster stars

Astronomers using the unique ultraviolet capabilities of the NASA/ESA Hubble Space Telescope have identified nine monster stars with masses over 100 times the mass of the Sun in the star cluster R136. This makes it the largest ...

Manchester astronomers detect precious element in space

A team of astronomers from The University of Manchester, together with collaborators from the Centro de Astrobiología and the Deep Space Network, Spain and the Universidad Nacional Autónoma de México, have detected a rare ...

Astronomers identify purest, most massive brown dwarf

An international team of astronomers has identified a record breaking brown dwarf (a star too small for nuclear fusion) with the 'purest' composition and the highest mass yet known. The object, known as SDSS J0104+1535, is ...

The Milky Way's new neighbour

The Milky Way, the galaxy we live in, is part of a cluster of more than 50 galaxies that make up the 'Local Group', a collection that includes the famous Andromeda galaxy and many other far smaller objects. Now a Russian-American ...

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