sunspots

  • Snapshots of the Sun

    Solar photography has come a long way since the first daguerreotype of the Sun in 1845, writes La...

    Humans have worshipped the Sun throughout all of recorded history and began to study it systematically as early as th...

    Space April 1, 2018
  • Round-up: sunspots and solar flares

    Scientists are edging ever closer to an understanding of the Sun’s unpredictable outbursts.

    Sunspots have puzzled astronomers for centuries, and the more recent discovery of solar flares and coronal mass eject...

    Space March 29, 2018
  • A sunspot the size of the Earth

    The mysterious dark spots on the surface of the Sun can be as big as a planet.

    Twists of plasma writhe in the magnetic field around an enormous sunspot.Queen’s University Belfast A view of a ...

    Space March 7, 2018
  • A solar question

    A question mark-shaped feature on the surface of the Sun.

    A long, oddly shaped gap in the Sun’s corona.Solar Dynamics Observatory / NASA In this image taken on 22 Decembe...

    Space January 9, 2018
  • Red skies over Kyoto

    Eighteenth century painting provides clues to rare aurora storms. Andrew Masterson reports.

    In the 18th century, night time in the streets of Kyoto would have been a dark and shadowy affair, with light coming ...

    Earth Sciences October 5, 2017
  • Galileo’s female Japanese peer

    A new study reveals the extraordinary achievements of a little-known astronomer. Andrew Masterson...

    Hisako Koyama in 1951.Knipp, D., Liu, H., & Hayakawa, H., Space Weather (2017) A female Japanese amateur astrono...

    Space October 4, 2017
  • The Sun gets loopy

    An active region on the surface of the Sun puts on a show.

    Solar active region AR12665 putting on a show.NASA’s Goddard Space Flight Center/SDOOn July 5, 2017, NASA’s Solar Dyn...

    Space August 6, 2017
  • Studying the solar cycle

    Detailed long-term observations of how the Sun changes can help us understand what drives its act...

    Solar cycle changes in the solar corona as viewed by Atmospheric Imaging Assembly (AIA) on the Solar Dynamic Observat...

    Space July 16, 2017
  • Transient atmosphere on Ceres linked to solar activity

    Energetic particles from the sun may dislodge water molecules from ice to form the atmosphere, wr...

    NASA's Dawn spacecraft determined the hydrogen content of the upper meter of Ceres' surface. Blue indicates where hyd...

    Space April 12, 2017
  • Proxima Centauri surprises with starspot cycle

    Observations of our next-door star show it to be more sunlike than we first thought. Belinda Smit...

    The nearby star Proxima Centauri shows signs of a seven-year activity cycle – weird behaviour for a low-mass star. NA...

    Space October 16, 2016
  • Old red dwarfs give insights into sun's magnetic field

    X-ray data showing small, old stars behaving in an unexpected way has forced a rethink into the n...

    An artist's illustration depicts the interior of GJ 3253, a low-mass red dwarf star about 31 light-years away from Ea...

    Space July 27, 2016
  • Researcher warns of climate change complacency over 'mini ice age'

    There has been much media coverage of the prospect of a so-called "mini ice age" as a result of research published wi...

    Climate July 15, 2015
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