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 ...

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 ...

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

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

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

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have captured what may be the biggest planet-forming disk ...

Every planet in the solar system leans, some gently, some dramatically, and that tilt quietly shapes everything from our ...

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.