@SPTelescope

@sptelescope.bsky.social | A 10-meter diameter sub-mm wavelength telescope observing the cosmic microwave background from the South Pole, Antarctica.

 South Pole, Antarctica
pole.uchicago.edu
Joined October 2013
  • Tweets2.2K
  • Following390
  • Followers8.6K
935Media
South Pole Telescope retweeted
The University of Chicago@UChicagoOct 25
A global helium shortage linked to the war in Iran threatens scientific research. UChicago lab director Joe Sachleben told "60 Minutes" how shortages could affect breast cancer, immunotherapy and Alzheimer’s studies. Your Sunday Watch: ms.spr.ly/6011aIpYF

Why you should care about a helium shortage | 60 Minutes

Helium, most closely associated with party balloons, but critical f...

youtube.com
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First flight of the Austral summer arrived at @NSF #southpole station today! A twin otter form Ken Borek Air crossing the continent during early season activities. And they brought fresh fruit ! @doescience #Antarctica
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"Constraints on mm-wave Extragalactic Transient Populations from 4 Years of SPT-3G data". We conduct a transient search for mm-wave emission from GRB reverse shocks .. in observations from 2019-2022, we find no candidate events. @NSF @doescience arxiv.org/abs/2610.28633
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Last week, the winterovers gathered at @uw_icecube Lab for a team picture to congratulate Francis Halzen on the 2026 @NobelPrize in Physics! The team is very excited to help enable the world-leading science at @NSF South Pole Station! @doescience #Antarctica
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South Pole Telescope retweeted
IceCube Neutrino Observatory@uw_icecubeOct 9
We've collected some notable media highlights reporting on Professor Francis Halzen winning the @NobelPrize in Physics for his contribution to the @NSF IceCube Neutrino Observatory. #NobelPrize2026 #NSFFunded #IceCubeNeutrinoObservatory
A collage of news headlines shows coverage of Francis Halzen winning the Nobel Prize in Physics.

ALT A collage of news headlines shows coverage of Francis Halzen winning the Nobel Prize in Physics.

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South Pole Telescope retweeted
IceCube Neutrino Observatory@uw_icecubeOct 9
📍The Pole just keeps getting sunnier and sunnier. Summer is on its way!🌞 Read more about week 40 at the Pole ➡️ icecube.wisc.edu/news/life-a… 📸: Alicia Fattorini, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory
The sun rises over the snowy, Antarctic landscape, creating a bright white glow with dark shadows across the snow.

ALT The sun rises over the snowy, Antarctic landscape, creating a bright white glow with dark shadows across the snow.

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New SPT-3G Martsen et al: "Using a cluster catalog from the 5-year SPT-3G main survey ... we detect cluster clustering at 12.8𝜎, the highest S/N detection from a SZ cluster sample .. and constrain halo bias, b_h =5.30 ±0.24" arxiv.org/pdf/2610.08947 @NSF @doescience #Antarctica
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The winterovers are really enjoying the new sunlight at the #southpole, including getting in an early season round of golf outside! Here winterover Michel is practicing his short game with the cermonial South Pole marker! @NSF @doescience @GolfChannel
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Congratulations to Francis and our IceCube colleagues! What a fantastic recognition for the entire IceCube team!
IceCube Neutrino Observatory@uw_icecubeOct 6
IceCube Principal Investigator and @UWMadison Prof. Francis Halzen has been awarded the 2026 Nobel Prize in Physics "for decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin.” 🎉🏅 #NobelPrizeInPhysics2026
Nobel Prize in Physics 2026 Francis Halzen graphic with a headshot of Francis crossing his arms.

ALT Nobel Prize in Physics 2026 Francis Halzen graphic with a headshot of Francis crossing his arms.

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Please join us for the 61st Annual Jansky Lecture, "What do we know about the Big Bang?” NSF NRAO is pleased to award the 2026 Karl G. Jansky Lectureship to Professor John E. Carlstrom (University of Chicago). FREE! No registration required. science.nrao.edu/science/jan… Dates ⤵️
Promotional graphic for the 61st annual Jansky Lecture. Blue, cosmic background with a headshot of Professor John E. Calstrom. Yellow text says: What Do We Know About the Big Bang?

ALT Promotional graphic for the 61st annual Jansky Lecture. Blue, cosmic background with a headshot of Professor John E. Calstrom. Yellow text says: What Do We Know About the Big Bang?

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A couple weeks past sunrise and its gotten bright at the #southpole. Pic of SPT starting its observing day by Michel with the sun now above the horizon. Even in the Austral summer, the skies are clear to microwaves which lets us take measurements year round! @NSF @doescience
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South Pole Telescope retweeted
The University of Chicago@UChicagoOct 2
Explore the cosmos with the UChicago scientists studying it. The Compton Lectures mark 50 years of the Enrico Fermi Institute, with talks on the origins of the universe, dark matter and more. Free, online or in person, Saturdays from Oct. 3. Learn more: ms.spr.ly/6018altKY

Free UChicago talks on origins of universe, dark matter and physics to commemorate 50 years of...

In Compton Lectures, nine leading scientists will trace Enrico Fermi Institute's work shaping modern physics and cosmology

news.uchicago.edu
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South Pole Telescope retweeted
Shaun Hotchkiss@just_shaunOct 3
If you missed Cosmology from Home this year, you can now watch most of the talks at this handy playlist: youtube.com/playlist?list=PL… Enjoy!

Cosmology from Home 2026

Some of the talks that were pre-recorded for Cosmology from Home 2026.

youtube.com
Shaun Hotchkiss@just_shaunSep 21
85 excellent reasons you should attend Cosmology from Home this year! cosmologyfromhome.com/2026-t… Discussions start tomorrow, talks (listed above) were released to participants last week.
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South Pole Telescope retweeted
IceCube Neutrino Observatory@uw_icecubeOct 2
📍What do you do when the sun rises for the first time in six months? Play golf, of course! Read more about week 39 at the Pole ➡️ icecube.wisc.edu/news/life-a… 📸: Camille Parisel, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory
In the snowy Antarctic, at the South Pole marker, which is surrounded by flags of different nations, people in red coats stand while one person prepares to put with a golf club. The sky glows from a newly risen sun.

ALT In the snowy Antarctic, at the South Pole marker, which is surrounded by flags of different nations, people in red coats stand while one person prepares to put with a golf club. The sky glows from a newly risen sun.

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South Pole Telescope will be prominently featured! Free UChicago talks on origins of universe, dark matter and physics to commemorate 50 years of discovery | University of Chicago News @NSF @doescience news.uchicago.edu/story/free…

Free UChicago talks on origins of universe, dark matter and physics to commemorate 50 years of...

In Compton Lectures, nine leading scientists will trace Enrico Fermi Institute's work shaping modern physics and cosmology

news.uchicago.edu
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South Pole Telescope retweeted
IceCube Neutrino Observatory@uw_icecubeSep 24
📍The sun is almost here! ☀️ Our winterovers stayed busy with detector and seasonal station activities. Read more about week 38 at the Pole ➡️ icecube.wisc.edu/news/life-a… 📸: Alicia Fattorini, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory
Sastrugi in front of a line of flags at the South Pole.

ALT Sastrugi in front of a line of flags at the South Pole.

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Happy Sunrise at the #southpole #Antarctica this weekend! Officially it happens on the #equinox, but sunrise takes several days/weeks given the unique geographic location on Earth's axis. Pic by winterover Michel of sunrise behind the South Pole marker. @NSF @doescience
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South Pole Telescope retweeted
IceCube Neutrino Observatory@uw_icecubeSep 18
📍Last week, on a continent far, far away, a winterover snapped a familiar looking picture... Read more about week 37 at the Pole ➡️ icecube.wisc.edu/news/life-a… 📸: Alicia Fattorini, IceCube/NSF, Disney/Lucasfilm #WeekAtThePole #IceCubeNeutrinoObservatory
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South Pole Telescope retweeted
IceCube Neutrino Observatory@uw_icecubeSep 11
📍Here comes the sun! Read more about week 36 at the Pole ➡️ icecube.wisc.edu/news/life-a… 📸: Alicia Fattorini, IceCube/NSF #WeekAtThePole #IceCubeNeutrinoObservatory
A building with glowing orange lights sits atop a snow-covered landscape with the faint, blue glow of sunrise behind it, while the edges of the image remain dark.

ALT A building with glowing orange lights sits atop a snow-covered landscape with the faint, blue glow of sunrise behind it, while the edges of the image remain dark.

A building from the side sits amid the polar landscape, with the faint blue glow of sunrise lighting the sky in the distance.

ALT A building from the side sits amid the polar landscape, with the faint blue glow of sunrise lighting the sky in the distance.

Smoke billows from a building covered in darkness, while behind it, a pale blue sunrise creates a sharp distinction between building and sky.

ALT Smoke billows from a building covered in darkness, while behind it, a pale blue sunrise creates a sharp distinction between building and sky.

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A picture of the @NSF Amundsen-Scott South Pole station from winterover Michel on the walk back from SPT this week. The horizon is getting brighter with less than 2-weeks before #sunrise, still world-class observing weather the past week. @doescience #Antarctica
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