Which countries are voyaging to Mars this decade?

We are likely to see the first humans walk on Mars this decade.

NASA
  • Space agencies have successfully sent three spacecraft to Mars this year.
  • The independent missions occurred at around the same time because Earth and Mars were particularly close to each other last summer, providing an opportune time to launch.
  • SpaceX says it hopes to send a crewed mission to Mars by 2026, while the U.S. and China aim to land humans on the planet in the 2030s.
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Why so gassy? Mysterious methane detected on Saturn’s moon

Scientists do not know what is causing the overabundance of the gas.

Credit: NASA
  • A new study looked to understand the source of methane on Saturn's moon Enceladus.
  • The scientists used computer models with data from the Cassini spacecraft.
  • The explanation could lie in alien organisms or non-biological processes.
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UFOs: US intelligence report finds no aliens but plenty of unidentified flying objects

A new government report describes 144 sightings of unidentified aerial phenomena.

Photo by Albert Antony on Unsplash

On June 25, 2021, the Office of the Director of National Intelligence released a much-anticipated report on UFOs to Congress.

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Every 27 minutes, there’s an X-ray aurora on Jupiter. Here’s why.

Jupiter's mysterious auroral events are caused by vibrating waves of plasma.

  • For 50 years, astronomers have known that Jupiter has frequent auroral displays, but not why.
  • The bursts are a combination of visible and invisible light.
  • The presence of NASA's Juno spacecraft around Jupiter allowed scientists to solve the mystery.
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Astronomers train AI to reveal the true shape of galaxies

A new artificial intelligence method removes the effect of gravity on cosmic images, showing the real shapes of distant galaxies.

  • Japanese astronomers train AI to differentiate between fake and real data from faraway galaxies.
  • The approach helps remove noise from astronomical observations.
  • The new technique will help more accurately reveal the large-scale structure of the universe.
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