A long undersurface tunnel discovered in old NASA data
January 17, 2023 Issue #514
Dinkinesh has a moon, and that moon is two moons touching. Yeah, it’s weird.
20 September 2021 Issue #359
Ruthenium isotopes reveal the secrets of the Chicxulub impactor
14 May 2020 Issue #218
The spacecraft took some pretty cool shots of the tiny, lumpy moon
The Wall Street Journal is awful, and my friend Rusty has money for grad students to protect Earth from asteroids
It’ll likely drop to zero, but it may be a while before we know for sure
27 June 2022 Issue #439
Also: How many near-Earth asteroids have been visited by spacecraft?
