Space Exploration

  • The future of in-space manufacturing

    Hoisting heavy machinery into space is expensive.

    The great advantage of being a crew member in Star Trek was that you had “replicators” to create any object you neede...

    Space Exploration January 31, 2019
  • Using asteroid science to track space debris

    It’s about the environment as well as safety. Richard A. Lovett reports.

    Scientists trying to track the cloud of space debris that threatens to make it ever more risky to launch and maintain...

    Space Exploration January 30, 2019
  • How to get to Mars without going mad

    The psychological dangers of long-haul space flights.

    The technological challenges involved in sending a crewed mission to Mars are daunting, but new research highlights t...

    Space May 24, 2018
  • Reusable rockets explained

    Reusable rockets can slash the cost of getting into space.

    The bottom of the ocean is a rocket graveyard – littered with the expended shells of thousands of rockets used to sen...

    Space February 6, 2018
  • The first photograph of Earth taken from space

    On 24 October 1946, rocket scientists captured the first images of Earth taken from space.

    This is the first photograph of Earth ever taken from space. It was captured on 24 October 1946 from a rocket 105 km ...

    Space October 24, 2017
  • What is the Fermi Paradox?

    Why can’t we see any sign of life elsewhere in the universe?

    The Fermi Paradox – named after the Italian-American physicist Enrico Fermi – can be summed up in a simple question t...

    Space October 22, 2017
  • Apollo 11: the first humans on the moon

    Images that redefined our relationship with space.

    On July 20 1969, American astronauts Neil Armstrong and Edwin ‘Buzz’ Aldrin became the first people to walk on the Mo...

    Space Exploration July 21, 2017
  • The Great Red Spot

    Getting a much closer look than previously.

    On Monday 10 July NASA’s Juno spacecraft swooped over the Great Red Spot, a centuries-old storm on Jupiter that is la...

    Space July 13, 2017
  • NASA to make closest approach yet to the Sun

    The Parker Solar Probe to be launched in 2018 will make a closer approach than ever before to our...

    The corona of the Sun – a streaming aura of plasma given complex structure by the star’s magnetic field and extending...

    Space June 1, 2017
  • What we have learnt by exploring Mars

    Filling in the gaps – but a long way to go.

    The Schiaparelli probe made headlines in October 2016 when it crash-landed on Mars. It wasn’t a disaster, though, it ...

    Space Exploration April 4, 2017
  • How rockets and boosters work

    Where does this power come from?

    Three, two, one, liftoff! A spacecraft blasts from the launch pad, propelled by the massive thrust generated by its r...

    Technology January 31, 2017
  • How do spacesuits keep astronauts safe?

    The freezing cold and radiation make space dangerous.

    When it’s time to venture outside, astronauts on the international space station first don one of two types of spaces...

    Technology December 21, 2016
1 12 13 14 15