Astronomers are getting used to a strange new kind of cosmic mystery: worlds that seem to appear in their data, linger for ...

Two cosmic collisions near the star Fomalhaut solve the mystery of a disappearing "planet" and show rare planetesimal crashes ...

What seemed like new planets around Fomalhaut were actually expanding dust clouds from violent planetary collisions seen by Hubble.

NASA’s Hubble Space Telescope has captured a spectacular scene in a star system not far from Earth, offering the rare chance ...

Two rare cosmic collisions around the young star Fomalhaut were caught by space telescopes, offering new clues about how planets form.

Astronomers tracking a nearby star system thought they had spotted an exoplanet reflecting light from its star. Then it ...

Fomalhaut lies about 25 light-years away in the constellation Piscis Austrinus, aka the Southern Fish, and is one of the brightest stars in the night sky. It is surrounded by several belts of dust and ...

For decades, astronomers have tried to determine how Pluto acquired its unusually large moon Charon, which is about half the size of the dwarf planet. Now, new research suggests that Pluto and Charon ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

Pluto landed its largest moon, Charon, with a 'kiss'—overturning decades of scientific assumptions about how planetary bodies form and evolve. This is the conclusion of a new study, conducted at the ...

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