Focus
planetology
We Still Have No Clue What Super-Earths Are Made Of
Despite discovering hundreds of exoplanets known as “super-Earths,” astronomers still don’t know what they’re made of.
It’s Hot Enough on This Exoplanet to Melt Steel
The most detailed weather map ever made of an exoplanet orbiting another star 260 light-years away from Earth shows a world with daytime temperatures hot enough to melt steel.
