Indigenous North American Stories Point to Comet Explosion

Indigenous North American Stories Point to Comet Explosion

By collecting and analyzing stories from a variety of indigenous cultures in North America, researchers find evidence for a mid-air explosion of a comet or asteroid, similar to the Tunguska event. Plus, a new Trojan for Earth, volcanoes and dinosaurs, ancient Mexican cacao groves, and this week in rocket history is Lunar Orbiter 3.

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40 Hours of Observations Finds No Dark Matter in Galaxy AGC 114905

40 Hours of Observations Finds No Dark Matter in Galaxy AGC 114905

Astronomers using the Very Large Array in New Mexico spent 40 hours observing galaxy AGC 114905, which seemed to have little to no dark matter in 2019 observations. The new evidence shows there is no dark matter in the galaxy at all. Plus, more Hubble and JWST updates, an eclipse over Antarctica, and an interview with Dr. Franck Marchis about citizen science.

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