Astronomers spot only the 2nd interstellar object ever seen

An amateur astronomer discovers an interstellar comet on its way to our Sun.

Credit: NASA/JPL-Caltech
  • The comet C/2019 Q4 (Borisov) was spotted by an amateur astronomer.
  • The object is moving so fast, it likely originated outside our solar system.
  • The comet should be observable for another year.
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Space hotel with artificial gravity will be in orbit by 2025

The Von Braun Space Station, based on the concepts of a controversial scientist, is moving ahead with construction plans.

Credit: on Braun Space Station.
  • The Gateway Foundation is building a space hotel, based on the concepts of a Nazi and American rocket scientist Wernher von Braun.
  • The space station is expected to be operational by 2025.
  • The company plans to assemble it in orbit, using robots and drones.
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Russia sends humanoid robot to space, fails to dock with ISS

The Russian-built FEDOR was launched on a mission to help ISS astronauts.

Photos by TASS\TASS via Getty Images
  • Russia launched a spacecraft carrying FEDOR, a humanoid robot.
  • Its mission is to help astronauts aboard the International Space Station.
  • Such androids can eventually help with dangerous missions likes spacewalks.
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Physicist advances a radical theory of gravity

Erik Verlinde has been compared to Einstein for completely rethinking the nature of gravity.

Photo by Willeke Duijvekam
  • The Dutch physicist Erik Verlinde's hypothesis describes gravity as an "emergent" force not fundamental.
  • The scientist thinks his ideas describe the universe better than existing models, without resorting to "dark matter".
  • While some question his previous papers, Verlinde is reworking his ideas as a full-fledged theory.
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Crashed Israeli lunar lander could have spilled 'water bears' on moon

Tardigrades – commonly called "water bears" – were among the payload of an Israeli lunar lander that crashed into the moon in April.

  • An Israeli spacecraft carrying tiny animals called tardigrades crashed onto the moon in April.
  • It's unclear whether humans would be able to revive the tardigrades, which were in a dehydrated state.
  • Tardigrades have a unique protein that enables them to survive intense levels of radiation.
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