Astronomers explain why disk galaxies eventually look alike
(Phys.org) —It happens to all kinds of flat, disk galaxies – whether they're big, little, isolated or crowded in a cluster. They all grow out of their irregular, clumped appearance and their older stars ...
Scientists slam 'Moonman' earthquake predictor
New Zealand scientists have rounded on a quasi-mystic mathematician known as the "Moonman" who claims he predicted the devastating Christchurch earthquake by studying the moon.
Hubble sees Messier 70: Tight and bright
(Phys.org) -- In this image, the NASA/ESA Hubble Space Telescope has captured the brilliance of the compact center of Messier 70, a globular cluster. Quarters are always tight in globular clusters, where the ...
Research model suggests moons of some planets developed from rings
Apple still perched high, but seems vulnerable
Apple, the world's biggest and perhaps most admired company, seems to have lost some of its luster.
How do plants grow toward the light? Scientists explain mechanism behind phototropism
Plants have developed a number of strategies to capture the maximum amount of sunlight through their leaves. As we know from looking at plants on a windowsill, they grow toward the sunlight to be able to ...
World timekeepers wrangle over scrapping leap second
Timekeeping experts failed Friday to reach a decision on scrapping the four-decade-old practice of adding extra seconds to clocks, a system opponents say causes headaches in a hi-tech, interconnected world.
'Leap second' under the gun at Geneva time talks
Timekeepers gathered in Geneva on Thursday to thrash out a contested proposal to abolish a 40-year-old practice of adding the occasional second to world time.
Out on the pull: Why the moon always shows its face
Technically, Pink Floyd had it wrong. The space-facing side of the moon isn't dark (except at full moon when the Earth is between the sun and the moon). Not that you'd know that, given we always see the same ...
Image: Facing Enceladus
(Phys.org) —A patchwork network of frozen ridges and troughs cover the face of Enceladus, Saturn's most enigmatic of icy moons.
Capturing More Gamma Rays
Stefan Funk wants to improve ground-based gamma ray imaging systems. Today's best instruments have their limits, Funk noted, and newer, more sensitive equipment is required to enter the next stage of astrophysical research. ...
World timekeepers split on scrapping leap second
Timekeepers meeting in Geneva failed to agree Thursday on a proposal to abolish a 40-year-old practice of adding the occasional second to world time.
Making the mega-band: Exploring how black holes become supermassive
(Phys.org) —Rock stars live fast, die young and end their days self-destructively. University of Alberta postdoctoral fellow Jeanette Gladstone says, surprisingly, some stars live the same way.
Firms see tidal energy as wave of future
Moored in the channel, the little gray barge strains against a raging morning tide. The torrent soon will drain nearby rocky inlets and fishing harbors by 20 feet - as high as a two-story house - only to flood them again ...