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Artwork of a red dwarf in a binary system undergoing a flare. Credit: NASA's Goddard Space Flight Center/S. Wiessinger

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

By Phil Plait 1 year ago

Artwork depicting a hot exoplanet orbiting a red dwarf star. Credit: University of Warwick/Mark Garlick

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

By Phil Plait 2 years ago

A rather fanciful piece of art showing the brown dwarf Oph 98A (upper left) orbited by a planetary-mass companion. Separated by 30 billion km, they would each appear as dots from the other. Credit: Thibaut Roger / University of Bern

The weirdest binary: Planet and not-a-star barely orbit each other

By Phil Plait 2 years ago

Artwork showing the super-Jupiter exoplanet HD 106906 b, orbiting over 100 billion km from its binary star host. A disk of planet-forming material surrounds the stars, indicating their young age. Credit: ESA/Hubble, M. Kornmesser

Does Planet Nine exist? An alien world 300 light years away gives hope

By Phil Plait 2 years ago