Even some stars go ballistic, racing through interstellar space like bullets and tearing through clouds of gas.Images from NASA's Hubble Space Telescope reveal…
The new finding counters the previous explanation of the evenly spaced arrangement of small rocks on Mars. That explanation suggested the rocks were picked up…
Nanotechnology exploits the properties of materials on a nanometric scale, (a nanometer is one millionth of a millimeter). The ultimate limit for such…
The finding comes from a balloon-borne instrument named ARCADE, which stands for the Absolute Radiometer for Cosmology, Astrophysics, and Diffuse Emission. In…
A mysterious flash of light from somewhere near or far in the universe is still keeping astronomers in the dark long after it was first detected by NASA's…
In synch with the International Year of Astronomy (IYA), which marks the 400th anniversary of Galileo's discoveries, a group of astronomers and curators from…
“This observation required a rare and exceptionally bright event to allow us to probe the fragile environment where stars were forming just 3 billion years…
Nearly ten years ago, Chandra's “First Light” image of Cassiopeia A (Cas A) revealed previously unseen structures and detail. Now, after eight years of…
This sweeping panorama is the sharpest infrared picture ever made of the Galactic core. It offers a nearby laboratory for how massive stars form and influence…
That increase in speed, said Mark Reid, of the Harvard-Smithsonian Center for Astrophysics, increases the Milky Way's mass by 50 percent, bringing it even with…
The galactic center is wracked with powerful gravitational tides stirred by a 4 million solar-mass black hole. Those tides should rip apart molecular clouds…
Smithsonian astronomers examined the 5 million-year-old star cluster NGC 2362 with NASA's Spitzer Space Telescope, which can detect the signatures of actively…
Life on a planet ruled by two suns might be a little complicated. Two sunrises, two sunsets. Twice the radiation field.In a paper published in the December…
Physicists at Indiana University have developed a promising new way to identify a possible abnormality in a fundamental building block of Einstein's theory of…
Hubble found only two brown dwarfs as companions to normal stars. This means the so-called “brown dwarf desert” (the absence of brown dwarfs around solar-type…
The map shows the inner part of the Milky Way has two prominent, symmetric spiral arms, which extend into the outer galaxy where they branch into four spiral…
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