A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...

Protoplanetary disks are the birthplaces of planets, but few discoveries have stretched scientific expectations like IRAS ...

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

Scientists say studying objects like Ammonite, despite their immense distance, offers valuable insight into the solar ...

Jupiter looks familiar from a distance, but beneath its clouds lies something profoundly alien. New data has overturned decades of assumptions about its structure and formation. Instead of clarity, ...

CAPE CANAVERAL, Fla. — 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 system.

Peering through a cosmic keyhole at distant baby star, astronomers may have opened a new window on the deep past of our own solar system. Weighing in at 0.6 solar mass, HOPS-315 should someday grow to ...