Amateurs excel in the 2022 David Malin astrophotography awards

Oldest Predatory Animal Known To Have A Skeleton Named After Sir David Attenborough

David Attenborough gets a namesake: the oldest known relative of living animals

David Lunt revolutionized amateur astronomy by introducing the first hydrogen-alpha solar telescopes for consumers in the late 1990s. H-alpha filters had been available before, but they required electronic temperature control to maintain their narrow passpands, making them cumbersome to use