Space and the science of it

Роскосмос@roscosmos_gk · Russia's space agency covers crewed missions, cosmonaut training, and experiments aboard the ISS. Posts trace the daily work of space crews, hardware tests, and stories from the history of Soviet and Russian spaceflight.119,094 subssubs37D

The official channel of the state space corporation: crewed flights, crew training, experiments on the ISS and the everyday life of cosmonauts. The densest on topic in this collection: 74 posts a month, 65 of them about space. 119 thousand subscribers since 2020, and 11 % of them read a post. Score 37 — lower than the others here: engagement is modest.

Юра, прости@prostinas · Covers spaceflight and the space industry: rocket launches, private space companies, Russian and international programs. The author writes about rare historical artifacts, like Gagarin's documents, and about space-related landmarks in Russia. Posts appear infrequently but go deep into each topic.18,086 subssubs67B

Spaceflight and the space industry: launches, private companies, Russian and foreign programmes, rare historical artefacts. Posts rarely — 6 a month, 5 of them about space — but a post is read by 94 % of its 18 thousand subscribers: the highest engagement in this collection. Running since 2020. Score 74, still preliminary.

Летопись космической эры@zheleznyakov_spaceera · Chronicles daily spaceflight events: launch anniversaries, satellite constellation stats, and industry news spanning Roscosmos, NASA, and private companies. Tracks rocket launches and decommissioned spacecraft while covering contracts and agency decisions across the sector.8,076 subssubs47D

A chronicle of the space era: launch anniversaries, Starlink satellite statistics, industry news from Roscosmos to NASA and private companies. Comes out daily: 40 posts a month, 32 about space. 8 thousand subscribers since 2023, and 12 % of them read a post. Score 24, still preliminary — we have little measurement history yet.

Музей космонавтики в Москве@kosmo_museum · Archival photographs, cosmonaut biographies and news from the Museum of Cosmonautics in Moscow, covering exhibition renovation, museum events and anniversaries. Shares stories from the museum's collection and tells about the Mir station, early spaceflights and the people behind them.3,805 subssubs37D

The Museum of Cosmonautics in Moscow: archive photographs, cosmonaut biographies, anniversaries and the museum's own news — from hall renovations to events. 15 posts a month, 11 about space. 4 thousand subscribers — the smallest channel in this collection, and 5 % of them read a post. Score 28, preliminary.

James Webb Space Telescope@jameswebbtelescope · Covers space telescopes and rocket launches: NASA mission updates, deep-space observatory details, and technical breakdowns ranging from optics to trajectory corrections. As of 30 September: subscribers stand at 11.6K, above the median for the Science category. ER sits at 40.9%, well above the category median of 17.3%, while posts over 30 days number only 5, putting output below the category median. Recent posts covered the Falcon Heavy launch carrying the Nancy Grace Roman telescope, its journey toward the L2 point, the deployment of its solar panels, and the first trajectory correction maneuver, alongside coverage of PRIMA, a planned far-infrared telescope NASA hopes to launch in 2033. One post also showed an engineering image from the RST telescope's main camera, still unfocused shortly after launch.11,621 subssubs74B

Space telescopes and rocket launches: detailed looks at missions such as Nancy Grace Roman, Falcon Heavy launch streams, orbital manoeuvres. 15 posts a month, 11 about space. 12 thousand subscribers since 2019, and 30 % of them read a post. Score 59, preliminary. Last post on 1 September: it publishes with pauses.

Техасский Вестник@starbasepost · About commercial spaceflight and rocketry: Starship launches, NASA's lunar program and news from private rocket companies. As of 14 September: the channel has 18.9K subscribers, well above the category median of 9.5K, with 53 posts in 30 days versus a median of 21, and engagement at 32.7% against a category median of 15.2%. Over the past month the author covered repeated delays of the Flight 14 orbital launch, Rocket Lab's protest against NASA over a Mars relay contract, a deal between Amazon and ArianeSpace for additional Leo satellite launches, and Stoke's new fully reusable rocket, Nova Block 2. The tone is conversational, with jokes about the space rumor mill and astronaut crews, while still digging into FAA licensing details and hardware testing. It posts more often and draws more engagement than a typical channel in its category.18,994 subssubs60C

Launches and space hardware: reports from Falcon Heavy and Starship launches, engine static fires, NASA mission breakdowns. 45 posts a month, 31 about space. 19 thousand subscribers since 2023, and 36 % of them read a post. Score 72 — the highest among the channels in this collection with a non-preliminary score.

EverythingScience@everythingscience · Covers science and technology news across particle physics, space missions, neuroscience and materials science, from Large Hadron Collider experiments to NASA telescope launches. Explains fresh discoveries and their significance for readers who want to keep up with research without digging through original papers.22,266 subssubs42D

Science and technology news in English: particle physics, space, neuroscience, materials science — from experiments at the Large Hadron Collider to telescope launches. Space is more than every third post here: 37 of 88 in a month. 22 thousand subscribers since 2016, and 2 % of them read a post — the lowest engagement in this collection. Score 34.

NASA's Astronomy Picture of the Day@apod_telegram · Posts one space image a day with a short scientific caption, covering everything from lunar eclipses and nebulae to comets and auroras, often written together with NASA astronomers. Good fit for anyone who wants astronomy explained through a picture rather than a long article.35,200 subssubs43D

One space image a day with a short scientific note — from lunar eclipses and nebulae to comets and auroras. In English. 68 posts a month, 26 about space by our keyword count; the rest are images without the keywords. 35 thousand subscribers since 2023, and 12 % of them read a post. Score 49.