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Updated: 1 hour 21 min ago

NASA's Spitzer telescope witnesses asteroid smashup

Fri, 08/29/2014 - 03:00
The observations of the young star system offer a glimpse into the violent process of making rocky planets like Earth.
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NASA completes key review of world’s most powerful rocket in support of journey to Mars

Thu, 08/28/2014 - 20:00
Moving forward, the agency's schedule includes an initial Space Launch System flight no later than November 2018.
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Radio telescopes settle controversy over distance to Pleiades

Thu, 08/28/2014 - 18:30
The distance to the “Seven Sisters” of 443 light-years is accurate, the astronomers said, to within 1 percent.
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Telescopes uncover early construction of giant galaxy

Thu, 08/28/2014 - 03:00
The building site, dubbed “Sparky,” is a dense galactic core blazing with the light of millions of newborn stars that are forming at a ferocious rate.
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Detecting neutrinos, physicists look into the heart of the Sun

Wed, 08/27/2014 - 18:30
The "keystone" proton-proton reaction, which created the detected neutrinos, is the first step of a reaction sequence responsible for about 99 percent of the Sun's power.
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Eta Carinae: our neighboring superstars

Wed, 08/27/2014 - 03:00
This star system is extremely volatile and is expected to have at least one supernova explosion in the future.
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Best view yet of merging galaxies in distant universe

Tue, 08/26/2014 - 17:30
The new studies show that this distant object looks surprisingly like the comparatively nearby pair of colliding galaxies known as the Antennae.
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New Horizons spacecraft crosses Neptune orbit en route to historic Pluto encounter

Tue, 08/26/2014 - 03:00
This is its last major crossing en route to becoming the first probe to make a close encounter with distant Pluto on July 14, 2015.
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Rosetta: Landing site search narrows

Mon, 08/25/2014 - 18:30
Using detailed information, five locations have been identified as candidate sites to set down the Philae lander in November.
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Voyager map details Neptune’s strange moon Triton

Fri, 08/22/2014 - 03:00
The production of the new map was inspired by anticipation of NASA's New Horizons encounter with Pluto.
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A chemical signature of first generation of massive stars

Thu, 08/21/2014 - 03:00
Astronomers have discovered a low-mass star that exhibits the peculiar chemical abundance ratios associated with the process of creating new atomic nuclei in a first-generation massive star.
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A spectacular landscape of star formation

Wed, 08/20/2014 - 18:00
The European Southern Observatory captured two dramatic star formation regions in the southern Milky Way — NGC 3603 and NGC 3576.
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First LOFAR observations of the Whirlpool Galaxy

Wed, 08/20/2014 - 03:00
A team of astronomers obtained the most sensitive image of this galaxy below 1 gigahertz.
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Dark Energy Survey kicks off second season cataloging the wonders of deep space

Tue, 08/19/2014 - 18:30
The survey’s five-year mission is to unravel the fundamental mystery of dark energy and its impact on our universe.
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Fascinating rhythm: light pulses illuminate a rare black hole

Mon, 08/18/2014 - 17:30
Astronomers have succeed in accurately measuring — and thus confirming the existence of — an intermediate-mass black hole.
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As seen by Rosetta: comet surface variations

Mon, 08/18/2014 - 03:00
The comet’s head exhibits parallel linear features that resemble cliffs, its neck displays scattered boulders, and its body exhibits a multivariable terrain with peaks and valleys.
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Stardust team reports discovery of first potential interstellar space particles

Fri, 08/15/2014 - 19:00
The seven particles were perhaps created in a supernova explosion millions of years ago.
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Chandra Observatory searches for trigger of nearby supernova

Fri, 08/15/2014 - 03:00
Scientists ruled out that the explosion was caused by a white dwarf continuously pulling material from a companion star.
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Hubble revisits a globular cluster’s age

Thu, 08/14/2014 - 18:30
IC 4499’s mass lies somewhere between low-mass globulars, which show a single generation build-up, and the more complex and massive globulars, which can contain more than one generation of stars.
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Tall boulder rolls down martian hill, lands upright

Thu, 08/14/2014 - 03:00
The shadow cast by the rock in midafternoon sunlight reveals it is about 20 feet (6 meters) tall and about 11.5 feet (3.5 meters) wide.
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