How 2 teenagers discovered 4 scientifically valuable exoplanets

Accepted names for stars and exoplanets in the IAU's NameExoWorlds 2019 by country

Astronomers have found evidence that it rains diamonds on Neptune and Uranus, that Mars' ancient water created opals, and that some exoplanets have clouds full of rubies and sapphires.

Luggage-Sized Cryogenic Camera to Take Pictures of Exoplanets