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Chinese scientists achieve record low temperature in space

Experiment on Tiangong space station cools rubidium atoms to 9.7 picokelvins.

AI-assisted coverage comparison, editor-supervised · How this was made

Published
This image illustrates atoms held in an optical trap aboard China's space station, where they were cooled to 10 picokelvin (10 pK)—the lowest temperature reached in space. Credit: Xiaoji Zhou, Peking University

What this story says

  • Chinese scientists have achieved a record low temperature of 9.7 picokelvins on the Tiangong space station.
  • The research, published in the journal Science, involved cooling rubidium atoms in a microgravity environment.
  • This new record is four times lower than the previous record of 38 picokelvins.
  • The achievement opens possibilities for new experiments in quantum physics and precision measurements.

Who covered it

Left 50%(4)Centre 37%(3)Right 13%(1)

Percentages are shares of the 8 outlets carrying a published leaning rating. 12 of the 20 outlets we know ran this story carry no rating and are not counted in them. Coverage measured .

Trust

60/100

Craft

60/100

Hype

40/100

20 sources · methodology

Chinese scientists have set a new world record for the lowest temperature, achieving 9.7 picokelvins aboard the Tiangong space station. The research, published in the journal Science, involved cooling rubidium atoms in a microgravity environment. This achievement is four times lower than the previous record of 38 picokelvins and could pave the way for new experiments in quantum physics and precision measurements.

Disagreement on previous records

While the research published in Science achieved 9.7 picokelvins, the previous record low temperature was 38 picokelvin, according to Phys.org. However, in.gr states the previous record was 38 pivokelvin, and that experiments on the International Space Station reached 52 picokelvin. vz.ru and 1prime.ru report that the Chinese scientists broke previous US and German records.

What the coverage left out

None of the left-rated digests mention the specific uncertainty range for the 9.7 picokelvin measurement, which was detailed in Phys.org's full report. None of the right-rated digests mention the journal Science as the publication for the research.

Still developing. We have re-checked which outlets are covering this 3 times, most recently on 6 Nov 2026, 22:45, and will add the sides that appear.

How other outlets pictured it

Which photograph to run is each newsroom’s own choice. The leaning beside a name is that outlet’s published rating, not a claim that the pictures divide along it. Every picture is shown from the outlet’s own server and links to the article it ran in.

Chinese scientists achieve record low temperature in space
in.grLeft

How each side covered it

Our own reading of the reporting listed below, written from the outlets’ articles rather than quoted from them. The reasoning is set out on our methodology page.

Left

4 rated outlets

  • The left-rated reports highlighted the record-breaking nature of the achievement and its implications for physics. Xinhua's digest stated that China set a world record for the coldest temperature aboard a space station. CGTN's digest noted that Chinese scientists cooled rubidium atoms to 9.7 trillionths of a degree above absolute zero, a record low. in.gr's full report detailed the creation of a Bose-Einstein condensate and mentioned Albert Einstein and Satyendra Nath Bose, as well as the previous record of 38 pivokelvin and the International Space Station's record of 52 picokelvin.

Centre

3 rated outlets

  • Centre-rated reports focused on the scientific achievement and its potential applications. Phys.org's full report explained the process of cooling atoms to near absolute zero, the challenges posed by gravity, and the use of optical dipole traps. It detailed the experiment's success in reaching 9.7 picokelvins, with an uncertainty range, and noted the longer free expansion time compared to previous experiments. South China Morning Post's digest mentioned smashing US and German records and the potential for ultra-precise space sensors. Science News' digest stated that atoms orbiting Earth on China's space station reached about 10 trillionths of a kelvin.

Right

1 rated outlet

  • The right-rated report from vz.ru's digest stated that Chinese scientists cooled rubidium atoms at the Tiangun Space Station to record low temperatures, breaking previous US and German records. It also mentioned that this breakthrough would allow the creation of ultra-precision space sensors.

Questions about this coverage

How did the left and right cover Chinese scientists achieve record low temperature in space?
Of the 8 outlets on this story carrying a published leaning rating, 50% are rated left, 37% are rated centre, 13% are rated right. Those percentages are shares of the rated outlets, not of every outlet that ran it, which was 20. The sections above set out what each side emphasised, in its own terms.
Is Chinese scientists achieve record low temperature in space left or right?
Too few of the outlets on this story carry a published leaning rating to say. 8 of them do, and this site does not characterise a field under 12: at that size one newsroom filing moves the share by ten points. The percentages above are the count as it stands.
Is the coverage of Chinese scientists achieve record low temperature in space biased?
Chinese scientists achieve record low temperature in space is one event reported by 20 outlets, and this page does not rate the story as biased or unbiased. What it publishes is the spread: which outlets ran it, where named rating organisations place each of them on the spectrum, and what each side chose to lead with. A leaning rating describes an outlet's record over time, not this article, and the two should not be run together.
Which outlets covered Chinese scientists achieve record low temperature in space?
20 that we know of, every one of them listed further up this page with a link to its own report and to what we hold on the publisher. Nothing here is a summary of somebody else's summary: the outlets are named so the original reporting can be read.
What is the record low temperature achieved by Chinese scientists?
Chinese scientists achieved a record low temperature of 9.7 picokelvins aboard the Tiangong space station. This is equivalent to 9.7 trillionths of a degree above absolute zero, making it four times colder than the previous record.
Where was the experiment conducted and why?
The experiment was conducted on the Tiangong space station in a microgravity environment. Microgravity helps overcome the limitations imposed by Earth's gravity, which can interfere with experiments aiming for extremely low temperatures and precise measurements.
What does this achievement mean for physics?
Achieving such an extremely low temperature allows atoms to move very slowly, enabling scientists to observe their quantum behaviour for longer periods. This could lead to new experiments in quantum physics, precision measurements, and potentially testing fundamental theories like Einstein's theory of gravity.

Read it at the source

20 outlets, grouped by the leaning a published rating gives them. Every headline links to the original; an underlined outlet name opens our profile of that publisher.

Left

4

Centre

3

Right

1

Not rated

12
Show 4 more

How did this read?

About the coverage, not about the story. We do not ask whether you agree with what happened — we have no honest use for that answer.

China's Tiangong records 9.7 picokelvins | MediaBias News