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Updated: 2 hours 51 min ago

Swift mission observes mega flares from a mini star

Wed, 10/01/2014 - 03:00
The initial blast from this record-setting series of explosions was as much as 10,000 times more powerful than the largest solar flare ever recorded.
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Wild ducks take flight in open cluster

Wed, 10/01/2014 - 03:00
The Wide Field Imager has taken this beautiful image, dappled with blue stars, of one of the most star-rich open clusters currently known — the Wild Duck Cluster (M11).
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Rosetta to deploy lander on November 12

Tue, 09/30/2014 - 18:00
Philae’s landing site, currently known as Site J, is located on the smaller of the comet’s two “lobes,” with a backup site on the larger lobe.
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Cassini watches mysterious feature evolve in Titan sea

Tue, 09/30/2014 - 03:00
The feature covers an area of about 100 square miles (260 square kilometers) in Ligeia Mare, one of the largest seas on Titan.
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New molecule found in space connotes life origins

Mon, 09/29/2014 - 03:00
Like finding a molecular needle in a cosmic haystack, astronomers have detected radio waves emitted by isopropyl cyanide.
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Hubble snaps what looks like a young galaxy in the local universe

Fri, 09/26/2014 - 17:00
DDO68, once one of the best candidates so far discovered for a newly formed galaxy in our cosmic neighborhood, might be older than it looks.
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MAVEN spacecraft returns first mars observations

Fri, 09/26/2014 - 03:00
The image shows the planet from an altitude of 22,700 miles (36,500 kilometers) in three ultraviolet wavelength bands.
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Earth’s water is older than the Sun

Thu, 09/25/2014 - 18:00
New work has found that much of our solar system’s water likely originated as ices that formed in interstellar space.
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Major milestone in the search for water on distant planets

Wed, 09/24/2014 - 19:00
Astronomers have found water vapor in the atmosphere of a planet about four times bigger than Earth in the constellation Cygnus.
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Data from Planck measure contaminants in the BICEP2 observation

Wed, 09/24/2014 - 03:00
Scientists of the Planck collaboration have conducted a series of in-depth checks on the discovery recently publicized by the BICEP2 project, which announced that it had detected some direct effects of gravitational waves on cosmic microwave background radiation.
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Finding hints of gravitational waves in the stars

Tue, 09/23/2014 - 18:00
A new model proposes that a star that oscillates at the same frequency as a gravitational wave will absorb energy from that wave and brighten.
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Infant solar system shows signs of windy weather

Tue, 09/23/2014 - 03:00
This may help explain why some T Tauri stars have disks that glow weirdly in infrared light while others shine in a more expected fashion.
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Most metal-poor star hints at universe’s first supernovae

Mon, 09/22/2014 - 03:00
Typical massive stars could have produced this star’s elemental abundance if they underwent a special type of explosion.
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NASA's newest Mars mission spacecraft enters orbit around the Red Planet

Mon, 09/22/2014 - 03:00
MAVEN will study the martian atmosphere to improve scientists' understanding of its history, how the climate has changed over time, and how that has influenced the evolution of the surface and the potential habitability of the planet.
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Pulse of a dead star powers intense gamma rays

Fri, 09/19/2014 - 18:30
While pulsars are often behind these gamma rays in our galaxy, other sources can be as well, including the outer shells of the supernova remnants, X-ray binary stars, and star-formation regions.
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Latest measurements from the AMS experiment unveil new territories in the flux of cosmic rays

Fri, 09/19/2014 - 03:00
The results could be an indicator that the excess positrons in the flux is an indicator of dark matter particles annihilating into pairs of electrons and positrons.
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Hubble helps astronomers find smallest known galaxy with supermassive black hole

Thu, 09/18/2014 - 18:30
This suggests that there may be many more supermassive black holes that astronomers have missed, and tells them more about the formation of these incredibly dense galaxies.
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Mars spacecraft ready for September 21 orbit insertion

Thu, 09/18/2014 - 03:00
After insertion, MAVEN will begin its one-Earth-year primary mission to take measurements of the composition, structure, and escape of gases in Mars’ upper atmosphere and its interaction with the Sun and solar wind.
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New observations explain why Milky Way-like galaxies are so common

Wed, 09/17/2014 - 19:00
Researchers have found direct evidence that merging galaxies can form disk galaxies instead of elliptical galaxies and that this outcome is in fact quite common.
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Chandra X-ray Observatory finds planet that makes star act deceptively old

Wed, 09/17/2014 - 03:00
This discovery shows how a massive planet can affect the behavior of its parent star.
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