Astronomy
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Astronomy
Galaxy’s petal-like structures came from collision
A cosmic crash of two huge masses of stars, gas and dust probably gave way to a new galactic structure with both young and old star clusters.
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Astronomy
Water seen in rubble around star
Hubble sees debris that was part of an asteroid with the ingredients for habitable planets.
By Meghan Rosen -
Astronomy
Voyager’s view
Though the 1970s-era space probe has finally slipped into an interstellar realm, in some senses it is still very much within the bounds of the solar system.
By Andrew Grant -
Astronomy
Tiny sphere bends light like a black hole does
Previously seen at the megascale, gravitational lensing goes micro.
By Andrew Grant -
Astronomy
The NASA take on ‘Gravity’
An astronaut and a NASA expert consider the reality of the film’s space dangers.
By Andrew Grant -
Astronomy
Last gorge for galaxy’s central black hole gauged
Relic light suggests the supermassive black hole at the Milky Way's center was millions of times more active 2 million years ago.
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Astronomy
At last, Voyager 1 slips into interstellar space
Solar blast data provides definitive evidence that Voyager 1 has cruised beyond the heliosphere and into interstellar space.
By Andrew Grant -
Astronomy
Radio telescope images reveal nebula’s heart of carbon
ALMA takes detailed look at elements surrounding dying star.
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Astronomy
The sun’s older twin, 250 light-years away
Almost twice as ancient, the distant star gives a glimpse of the sun's future.
By Andrew Grant -
Astronomy
‘Space beads’ push back origins of iron working
Ancient Egyptians used advanced techniques to make beads out of 'metal from the sky.'
By Bruce Bower -
Astronomy
To determine stars’ physical traits, Kepler sees the light
Measuring stellar brightness can yield useful estimates of stars' size and evolutionary stage, and help in the hunt for planets.
By Andrew Grant