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Across the universe

Stuart Clark writes about astronomy, space exploration and the great stargazers of the past
  • A totally eclipsed moon rises into the sky.

    Across the universe
    Lunar eclipse 2018: when to see the blood moon – and the science behind it

    Everything you need to know about Friday’s total lunar eclipse, from how to see it wherever you are in the world to why the moon turns red
  • A planet in near silhouette against the stars of the Milky Way.

    Across the universe
    Planet Nine from outer space: is there another world beyond Neptune?

    A newly discovered asteroid’s unusual orbit supports the idea that a massive planet lurks in the far reaches of the solar system
  • An artist's impression of a woman wearing VR goggles floating above the Earth

    Across the universe
    Space tourism for the people: become a virtual reality astronaut

    VR companies around the world are planning to offer live views of the Earth from space within the next few years
  • An artist's impression of an astronaut looking into space

    Across the universe
    Space Rocks celebrates astronomy and music at London's O2

    Space Rocks, an event celebrating astronomy and music, kicks off this Sunday. The twinned nature of the disciplines it celebrates stretch back millennia
  • An artist's impression of interstellar asteroid 'Oumuamua.

    Across the universe
    Interstellar visitor ’Oumuamua probably came from a two-star system

    Astronomers studying the interstellar asteroid ’Oumuamua find that it probably formed around a binary star
  • Astronomers are now certain it is not an alien megastructure orbiting star KIC 8462852. Instead, it is a giant cloud of dust.

    Across the universe
    No alien megastructure around mysterious 'Tabby's star', analysis shows

    Stand down space cadets: there is (sadly) no alien megastructure around star KIC 8462852, also known as Tabby’s star
  • Shooting stars stream across the sky.

    Across the universe
    Geminid meteor shower peaks tonight – here's how to see it

    Make sure Star Wars isn’t the only celestial event you see tonight. The bright Geminid meteor shower reaches its peak in the early hours of Thursday morning
  • An artist’s impression of interstellar asteroid `Oumuamua. It is a dark red highly-elongated metallic or rocky object, about 400 metres long, and unlike anything normally found in the Solar System.

    Across the universe
    Mysterious object confirmed to be from another solar system

    Astronomers have named interstellar object ’Oumuamua and its red colour suggests it carries organic molecules that are building blocks of life
  • An artist’s impression of the newly discovered Earth-sized planet Ross 128 b.

    Across the universe
    Potentially habitable world found just 11 light years away

    Ross 128 b has been discovered effectively on our cosmic doorstep. It will become a prime target in the search for life beyond the Earth
  • Jupiter's south pole shows turbulence in the clouds.

    Across the universe
    Astronomers discover a giant world – but is it a planet?

    A recently-discovered giant world lies right on the boundary between being a star and a planet – and that could answer some big questions
  • ET - The Extra-Terrestrial from the Spielberg movie.

    Across the universe
    What Darwin’s theories tell us about the shape alien life will take

    All aliens must evolve, says a new study from scientists at the University of Oxford – and that gives us something to look for
  • An artist’s impression of gravitational waves generated by neutron stars heading for a collision.

    Across the universe
    Monday's gravitational wave observation is astronomical alchemy

    Proof that celestial collisions called kilonovas create gold is the first wonder to arise from coordinated observations – expect more to come
  • The Northern lights over Reinfjorden in Reine, on Lofoten Islands, Arctic Circle, on September 8, 2017.

    Across the universe
    Watch out for the northern lights tonight – UK could be in for a big display

    Those in the UK should look northwards for the aurora tonight as the aftermath of the biggest solar flare for more than a decade continues to pummel Earth
  • A total solar eclipse as seen from Longyearbyen on Svalbard in 2015.

    Across the universe
    How to watch the total solar eclipse across America

    Want to see the total eclipse but overwhelmed by advice? Here’s all you need to know, including maps of the route and how to watch safely
  • An artist’s rendition of the Voyager spacecraft.

    Across the universe
    How Nasa's Voyager spacecraft changed the face of UK science

    Although almost exclusively American, the 40-year-old Nasa Voyager spacecraft helped raise the ambitions of the UK’s planetary astronomers
  • An artist’s impression of Sentinel-5P in orbit above the Earth.

    Across the universe
    UK-built pollution monitoring satellite ready for launch

    The Sentinel-5P spacecraft is designed to monitor the pollution that causes a reported tens of thousands of deaths every year in the UK
  • An artist’s impression of BepiColombo approaching Mercury.

    Across the universe
    ESA’s BepiColombo Mercury mission thrives on ambition and co-operation

    Stuart Clark
    The European Space Agency unveils its ambitious €1.3bn Bepi Colombo mission to inner planet Mercury
  • An artists impression of a spacecraft trying to deflect an asteroid.

    Across the universe
    Happy Asteroid Day! A conversation about peaceful, global scientific collaboration

    Today is the 3rd annual Asteroid Day, and the first to be presented under the auspices of the United Nations, with live global broadcasts raising awareness about asteroids
  • People gather to watch the sunrise on the longest day of the year during the summer solstice at the Stonehenge in Wiltshire, Britain, 21 June 2016.

    Across the universe
    Summer solstice: the perfect day to bask in a dazzling scientific feat

    Wednesday is the longest day of the northern hemisphere’s year – but few realise that it also marks a monumental achievement in rational thinking
  • An artist's impression of a disintegrating planet around the star KIC 8462852.

    Across the universe
    Alien megastructures – where we should look next

    Huge extraterrestrial construction projects should leave detectable traces that astronomers could see
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