A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

"We can see, for the first time, rings of dust surrounding protoplanets made visible by the bright starlight reflecting off ...

At about 6 light years away, Barnard’s star is the nearest single star — one not orbiting with other stars — to our solar system. Only the three stars in the Alpha Centauri system ...

Currently at Vandenberg Space Force Base, the mission is awaiting launch on March 11, 2025 alongside another NASA mission, ...

The results could lead scientists to re-evaluate and revamp their theories of planet formation for the solar system and elsewhere. "Everything we know about exoplanets can be put in the context of ...

There's no problem, however, with what a team of researchers say is likely a stable trio of icy space rocks in the solar system's Kuiper Belt. The puzzle of predicting how three gravitationally ...

Light gases like helium hung around in the gas-and-dust nebula that formed the solar system for only a few million years. "It's very much debated how long it took the Earth to form," Olson said.

NEW YORK — Seven planets grace the sky at the end of February in what’s known as a planetary parade, though some will be difficult to spot with the naked eye. These planetary hangouts happen when ...

The Oort Cloud is the name given to a theorized group of potentially trillions of icy objects on the edge of our solar system. But while it has been accepted as a theory for over 70 years ...

Planets in the solar system. Credit: NASA and ESA / CC BY-SA 4.0 A rare celestial event will unfold on the evening of Friday, Feb. 28, 2025, when seven planets line up in the night sky in a phenomenon ...

Now, using a powerful NASA supercomputer called "Pleiades," scientists have discovered yet another spiral structure on the edge of our solar system. The spiral is composed of billions of icy ...

This stunning photo shows every single planet in the solar system at the same time during a rare alignment that won’t happen again until 2040. Taken from a field in Somerset, the groundbreaking ...