The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

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

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

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

The solar system is 4.54 billion years old, based on rock dating. Gas giants (Jupiter and Saturn) likely formed first. Ice giants (Uranus and Neptune) probably formed next. Rocky planets formed last, ...

Astronomers have just confirmed one of the strangest kinds of worlds imaginable, a planet drifting through the galaxy with no ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...