The formation of Earth is a cosmic tale that stretches back over 4.5 billion years, from the swirling gases and dust of the solar nebula to the planet we know today. But how exactly did Earth come to ...

This video segment adapted from NOVA scienceNOW follows scientists analyzing meteorites—the oldest rocks in the solar system—to determine what triggered the birth of our solar system from a ...

From the nebula theory to the formation of planets and the Sun, we'll explain how gravity and cosmic dust came together to form the solar system we know today .Join us as we unlock the mysteries ...

Solar Nebula, Study Suggests Researchers say the hydrogen contained in these clouds of gas and dust contributed to formation of one out of every 100 water molecules found on Earth ...

The solar system is thought to have coalesced from a giant rotating cloud of gas and dust known as the solar nebula about 4.6 billion years ago. For decades, scientists have suspected a star ...

The solar system formed about 4.6 billion years ago from a giant rotating cloud of gas and dust known as the solar nebula. Gravity caused the nebula to collapse in on itself, forming a dense, hot ...

THE hypothesis of Kant and Laplace that the solar system originated by a gradual process from the contraction of a rotating nebula has become more and more improbable as the theory of such a ...