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Oxygen-deficient dwarf galaxy hints at makings of early universe
A recently discovered dwarf galaxy in the constellation Lynx may serve well as a proxy for better understanding the developing chemistry of the early universe.
Posted: Sep 25th, 2017
Read moreIceCube helps demystify strange radio bursts from deep space
For a decade, astronomers have puzzled over ephemeral but incredibly powerful radio bursts from space.
Posted: Sep 25th, 2017
Read moreThe material that obscures supermassive black holes
Astronomers review the most recent results on the material that obscures AGN.
Posted: Sep 25th, 2017
Read moreObservatory detects extragalactic cosmic rays hitting the Earth
Fifty years ago, scientists discovered that the Earth is occasionally hit by cosmic rays of enormous energies. Since then, they have argued about the source of those ultra-high energy cosmic rays - whether they came from our galaxy or outside the Milky Way.
Posted: Sep 22nd, 2017
Read morePositive, negative or neutral, it all matters: NASA explains space radiation (w/video)
Charged particles may be small, but they matter to astronauts. NASA's Human Research Program (HRP) is investigating these particles to solve one of its biggest challenges for a human journey to Mars: space radiation and its effects on the human body.
Posted: Sep 22nd, 2017
Read moreIs the Milky Way an 'outlier' galaxy? Studying its 'siblings' for clues
The most-studied galaxy in the universe - the Milky Way - might not be as 'typical' as previously thought, according to a new study.
Posted: Sep 20th, 2017
Read moreAgeing star blows off smoky bubble
In the faint southern constellation of Antlia the careful observer with binoculars will spot a very red star, which varies slightly in brightness from week to week. This very unusual star is called U Antliae and new observations are revealing a remarkably thin spherical shell around it.
Posted: Sep 20th, 2017
Read moreSize matters in the detection of exoplanet atmospheres
A group-analysis of 30 exoplanets orbiting distant stars suggests that size, not mass, is a key factor in whether a planet?s atmosphere can be detected.
Posted: Sep 19th, 2017
Read moreWhen radio galaxies collide, supermassive black holes form tightly bound pairs
A study using multiple radio telescopes confirms that supermassive black holes found in the centers of galaxies can form gravitationally bound pairs when galaxies merge.
Posted: Sep 18th, 2017
Read moreWhat we're hoping to learn from the magnetic readings of Cassini's final orbits
The spacecraft, now a memory, leaves us with an enormous legacy - a dataset that will take decades to fully exploit.
Posted: Sep 18th, 2017
Read morePhysicists offer explanation for diverse galaxy rotations
New study invokes intriguing self-interacting dark matter theory.
Posted: Sep 14th, 2017
Read moreThe return of the comet-like exoplanet
Astronomers focused the Hubble Space Telescope on an exoplanet that had already been seen losing its atmosphere, which forms an enormous cloud of hydrogen, giving the planet the appearance of a giant comet.
Posted: Sep 14th, 2017
Read moreResearchers create first global map of water in Moon's soil
In research that may prove useful to future lunar explorers, scientists have created the first quantitative map of water and its chemical building blocks trapped in the uppermost portion of the Moon's soil.
Posted: Sep 13th, 2017
Read moreAstronomers spun up by galaxy-shape finding
For the first time astronomers have measured how a galaxy's spin affects its shape.
Posted: Sep 11th, 2017
Read moreExplosive birth of stars swells galactic cores
Astronomers found that active star formation upswells galaxies, like yeast helps bread rise.
Posted: Sep 11th, 2017
Read moreAre we being watched? Tens of other worlds could spot the Earth
A group of scientists have turned exoplanet-hunting on its head, in a study that instead looks at how an alien observer might be able to detect Earth using our own methods.
Posted: Sep 8th, 2017
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