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

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.

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

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

A view of HOPS-315, a baby star some 1,400 light-years from Earth where astronomers have observed evidence for the earliest stages of planet formation. Combined with data from the James Webb Space ...

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 ...

An artist’s impression of the two new planets discovered. An inner super-Earth, here seen transiting in front of the orange host-star and an icy giant planet on the periphery of the system. The ...

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

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