A four-planet system reveals remarkable insights about how planets form and how they change during their lifetime.

Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...

What was originally thought to be a planet orbiting the Fomalhaut star was probably just the fallout of a wild collision.

The discovery of an extraordinary multi-planet system has demonstrated that so-called "hot Jupiter" planets may not be lonely giants after all. The findings could force scientists to revise their ...

Have you ever found something unexpected in your hamburger? Astronomers using the Atacama Large Millimeter/submillimeter ...

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

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...

For a telescope that spends much of its time listening to faint spectra, the James Webb Space Telescope has also learned how ...

Hubble reveals the largest planet-forming disk ever seen, Dracula's Chivito, showing a chaotic and uneven environment around ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.