Serious blow to dark matter theories? New study finds mysterious lack of dark matter in Sun's neighborhood
(Phys.org) -- The most accurate study so far of the motions of stars in the Milky Way has found no evidence for dark matter in a large volume around the Sun. According to widely accepted theories, the solar ...
Astronomers discover a new black hole in our galaxy
(Phys.org)—NASA's Swift satellite recently detected a rising tide of high-energy X-rays from a source toward the center of our Milky Way galaxy. The outburst, produced by a rare X-ray nova, announced the ...
Supermassive black hole spins super-fast
Imagine a sphere more than 2 million miles across - eight times the distance from Earth to the Moon - spinning so fast that its surface is traveling at nearly the speed of light. Such an object exists: the ...
WISE findings poke hole in black hole 'doughnut' theory
(Phys.org) —A survey of more than 170,000 supermassive black holes, using NASA's Wide-field Infrared Survey Explorer (WISE), has astronomers reexamining a decades-old theory about the varying appearances ...
Venus Express gets ready to take the plunge
(Phys.org) —After eight years in orbit, ESA's Venus Express has completed routine science observations and is preparing for a daring plunge into the planet's hostile atmosphere.
First planet found around solar twin in star cluster
Astronomers have used ESO's HARPS planet hunter in Chile, along with other telescopes around the world, to discover three planets orbiting stars in the cluster Messier 67. Although more than one thousand ...
The Universe broke its rising 'fever' about 11 billion years ago (w/ Video)
(Phys.org) —An international team, led by researchers from Swinburne University of Technology, has found evidence that the Universe broke its rising 'fever' about 11 billion years ago.
BOSS quasars track the expanding universe—most precise measurement yet
The Baryon Oscillation Spectroscopic Survey (BOSS), the largest component of the third Sloan Digital Sky Survey (SDSS-III), pioneered the use of quasars to map density variations in intergalactic gas at high ...
NASA warned plan to send humans to Mars may fail
The US space agency NASA has been warned that its mission to send humans to Mars will fail unless its revamps its methods and draws up a clear, well-planned strategy to conquer the red planet.
Cassini spacecraft finds plastic ingredient on Saturn's moon Titan
(Phys.org) —NASA's Cassini spacecraft has detected propylene, a chemical used to make food-storage containers, car bumpers and other consumer products, on Saturn's moon Titan.
Black hole that doesn't emit x-rays discovered near massive star
Astronomers discover the largest structure in the universe
(Phys.org)—An international team of astronomers, led by academics from the University of Central Lancashire (UCLan), has found the largest known structure in the universe. The large quasar group (LQG) is ...
Mystery of planet-forming disks explained by magnetism
(Phys.org) —Astronomers say that magnetic storms in the gas orbiting young stars may explain a mystery that has persisted since before 2006.
NuSTAR telescope takes first peek into core of supernova
(Phys.org) —Astronomers have peered for the first time into the heart of an exploding star in the final minutes of its existence. The feat by the high-energy X-ray satellite NuSTAR provides details of the ...