Another candidate exomoon found: An alien moon orbiting an alien world!

If it exists the moon is far larger than Earth.

By Phil Plait 1 day ago

A disk of material around an alien planet may be forming moons as we watch

By Phil Plait 6 months ago

So that’s where all the exomoons are hiding, at least according to their shadows

By Elizabeth Rayne 1 year ago

Boyajian's Star: Could its bizarre behavior be due to an evaporating exomoon?

By Phil Plait 2 years ago

ALMA reveals a dusty ring around a young exoplanet that may be forming moons

By Phil Plait 2 years ago

Can moons have moons? Yes! Well, sometimes.

By Phil Plait 3 years ago

More evidence piles up that we’re seeing an exomoon orbiting an alien world

By Phil Plait 3 years ago

Looking for other Earths: Are we being too picky?

By Phil Plait 3 years ago