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McDonald Observatory

illustration of the Milky Way

Chemical mapping reveals the Milky Way’s spiral arms

21 Jul, 2023

Identifying regions of the Milky Way’s spiral arms that have previously gone undetected.

Recent Stories

New theory suggests dark matter formed from massless particles

19 May, 2025

Why does emerging electric aircraft engine technology sound so annoying?

19 May, 2025

Researchers produced Megavolt energy protons using a few millijoule lasers

17 May, 2025

Mystery solved: Why foams are leakier than expected

17 May, 2025

Multilayered materials that work together, like nacre

17 May, 2025