At first glance, a bright blue crescent immediately jumps out of this NASA/ESA Hubble Space Telescope image. Is it a bird? A plane? Evidence of extraterrestrial life? No—it's a galaxy.

Nov 19, 2018 in Astronomy

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The path of light is bent by mass, an effect predicted by Einstein's theory of gravity, and when a massive galaxy or cluster lies along our line-of-sight to a more distant galaxy its matter will act as a lens to image the ...

Nov 19, 2018 in Astronomy

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This NASA/ESA Hubble Space Telescope image contains a veritable mix of different galaxies, some of which belong to the same larger structure: At the middle of the frame sits the galaxy cluster SDSS J1050+0017.

Sep 28, 2018 in Astronomy

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Scientists are hoping to understand one of the most enduring mysteries in cosmology by simulating its effect on the clustering of galaxies.

Sep 10, 2018 in Astronomy

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Galaxies abound in this spectacular Hubble image; spiral arms swirl in all colors and orientations, and fuzzy ellipticals can be seen speckled across the frame as softly glowing smudges on the sky. Each visible speck of a ...

Aug 21, 2018 in Astronomy

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Astronomy & Astrophysics publishes the predictions of the passages of foreground stars in front of background stars. A team of astronomers, using ultra-precise measurements from the Gaia satellite, have accurately forecast ...

Jul 20, 2018 in Astronomy

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This NASA/ESA Hubble Space Telescope image shows a cluster of hundreds of galaxies located about 7.5 billion light-years from Earth. The brightest galaxy within this cluster, named SDSS J1156+1911, is visible in the lower ...

Jun 04, 2018 in Astronomy

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Using microlensing method, an international team of astronomers has detected a new "super-Earth" alien world circling a low-mass star about five times less massive than our sun. The finding is detailed in a paper published ...

Apr 04, 2018 in Astronomy report

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Thanks to a rare cosmic alignment, astronomers have captured the most distant normal star ever observed, some 9 billion light years from Earth.

Apr 02, 2018 in Astronomy

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Using microlensing technique, astronomers have found a new giant planet orbiting a brown dwarf located in the bulge of the Milky Way galaxy. The newly discovered exoplanet, designated OGLE-2017-BLG-1522Lb, is most likely ...

Mar 26, 2018 in Astronomy report

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