A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Experts are tracking asteroid 2024 YR4, which has a 1.2% chance of impacting Earth in 2032. Observations continue to refine ...

It seems like wasted real estate,” Kane says. So Kane dropped a fictional super-Earth in that gap to see what would happen. The results are published in a recent issue of the Planetary Science ...