A third possible planet for Proxima Centauri, the closest star to the Sun!

New planet would be small and hot.

By Phil Plait 3 months ago

Rare beast: An eccentric Neptunish exoplanet orbits a nearby red dwarf star

Big planets around tiny stars are very uncommon.

By Phil Plait 4 months ago

Big baby planet found orbiting small baby star. Here's why that's a problem.

Small stars should have small planets.

By Phil Plait 5 months ago

A superhot superdense superfast mini-Earth… and it's practically next door

An iron exoplanet skims its star's surface.

By Phil Plait 5 months ago

Astronomers find 17 red dwarf stars that may have aurorae triggered by orbiting Earth-sized planets

By Phil Plait 7 months ago

Good news: Immensely powerful red dwarf superflares may not sterilize their planets

By Phil Plait 9 months ago

The Red Sky Paradox: Why do we orbit a star like the Sun instead of a red dwarf?

By Phil Plait 11 months ago

A second wind – literally – for a scorching hot super-Earth

By Phil Plait 1 year ago

A new nearby super-Earth’s atmospheric secrets may soon be revealed

By Phil Plait 1 year ago

Planets around old red dwarfs may still get blowtorched by flares

By Phil Plait 1 year ago