Bedtime Astronomy
Today: #123 in Science on our combined chart.
Today: #68 in Science, United Kingdom on our combined chart.
Today: #76 in Science, Canada on our combined chart.
Today: #75 in Science, Australia on our combined chart.
Today: #43 in Science, New Zealand on our combined chart.
Today: #133 in Science, Ireland on our combined chart.
Today: #111 in Science, India on our combined chart.
Today: #170 in Science, Japan on our combined chart.
Today: #98 in Science, Philippines on our combined chart.
Today: #42 in Science, South Africa on our combined chart.
Chart positions today · United States
Not on the Germany charts we track today.
Not on the Brazil charts we track today.
Not on the Mexico charts we track today.
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Ranking history · United States
Latest daily rankings: Oct 21. New rankings will appear after the next update.
Position on the Science combined chart over the last 7 days. Toggle platforms to compare their positions. Lower rank numbers are better.
View as table
| Date | Combined Rank | Apple Podcasts | Castbox |
|---|---|---|---|
| Oct 21 | #123 | #107 | — |
| Oct 20 | #125 | #108 | #95 |
| Oct 19 | #110 | #87 | #79 |
| Oct 18 | #112 | #94 | #76 |
| Oct 17 | #117 | #98 | #89 |
| Oct 16 | #100 | #82 | #68 |
| Oct 15 | #104 | #81 | #69 |
Latest episodes
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The Hidden Health Risks of Traveling to Mars: What Space Radiation Does to the Body
October 21, 2026 · 30 minScientists studying the effects of simulated deep-space travel have uncovered concerning long-term health risks. Experiments combining cosmic radiation exposure with simulated weightlessness in rats revealed progressive heart scarring…
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Two Supermassive Black Holes Found Remarkably Close Together in the Early Universe
October 21, 2026 · 22 minAstronomers have discovered two actively feeding supermassive black holes separated by just 175 parsecs in the distant galaxy system MG B2016+112. Using gravitational lensing to analyze archival spectral data, researchers uncovered…
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VERTECS Begins Science Operations: A New Mission to Uncover How Galaxies Formed
October 20, 2026 · 21 minJapan’s VERTECS nanosatellite has completed its initial tests and begun routine science operations following its June 2026 launch. After confirming its systems and capturing its first visible-light images of deep-space targets, the…
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How Astronomers Are Mapping Alien Weather in Three Dimensions
October 20, 2026 · 38 minUsing NASA’s James Webb Space Telescope, astronomers have discovered that the atmosphere of the giant exoplanet WASP-17b is surprisingly asymmetrical. By tracking starlight passing through its atmosphere, researchers found that powerful…
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An Unusually Bright Supernova Has Astronomers Rethinking the Early Universe
October 19, 2026 · 52 minAstronomers using the James Webb Space Telescope may have captured a supernova just days after its explosion, when the universe was only a fraction of its current age. Known as AT 2026abck, the distant event appears unusually hot and…
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Could Dark Energy Be Changing as the Universe Expands?
October 19, 2026 · 22 minCould dark energy change over time? A new approach to teleparallel gravity suggests that dark energy may have begun with negative density in the early universe before becoming positive billions of years later. The theory could help…
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The First Elements: What Helium Reveals About the Early Universe
October 18, 2026 · 38 minHow can scientists test what happened moments after the Big Bang? By studying distant, metal-poor galaxies, researchers measured primordial helium at approximately 24.58% of the early universe’s mass, closely matching predictions from…
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The Solar System’s Violent Fate: New Simulations Reveal a Faster Demise
October 18, 2026 · 37 minWhat happens to the planets when the Sun reaches the end of its life? New computer simulations suggest that the Sun’s mass loss could destabilize the outer solar system far sooner than traditional models predicted. As the Sun sheds…
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NASA’s Lunar Data Could Transform Future Moon Missions
October 17, 2026 · 35 minNASA’s Artemis II mission has provided a remarkable new collection of lunar images, audio recordings, and scientific observations. From mysterious impact flashes to subtle color variations and the Moon’s unexplored far-side geology, these…
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How Rotating Black Holes Could Power Extreme Cosmic Accelerators
October 17, 2026 · 51 minCould rotating black holes act as natural particle accelerators? Researchers propose that neutrons interacting with magnetic fields near Sagittarius A*, the supermassive black hole at our galaxy’s center, could trigger a process that…
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Three Spacecraft Will Hunt for Ripples in the Fabric of Space-Time
October 16, 2026 · 20 minNASA and the European Space Agency are advancing LISA, a groundbreaking space observatory designed to detect gravitational waves using three spacecraft millions of miles apart. Planned for launch in the mid-2030s, the mission could reveal…
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James Webb Discovers Earth-Like Weather on the Coldest Brown Dwarf
October 16, 2026 · 20 minThe James Webb Space Telescope has revealed changing water clouds and mysterious chemical rhythms on WISE 0855, the coldest known brown dwarf. These observations expose weather patterns and atmospheric processes that resemble those on…

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