An Earth-sized hell circles faraway star

The recently discovered, very hot rocky planet is the smallest with known diameter and mass

SCORCHED  An artist’s impression of Kepler-78b shows its nearby star and blistering-hot surface.

Jasiek Krzysztofiak/Nature

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Astronomy

From the Nature Index

Paid Content