The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Astronomers discovered the gas giant planet — dubbed a "hot Jupiter " — in 2016, but have continued to investigate this ...

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

The origins of life on our planet remains one of science’s great mysteries. Now, a NASA mission that brought a piece of an ...

Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved based on analyses of trans-Neptunian objects (TNOs) and centaurs. The findings reveal the ...

We really wanted to study an asteroid similar to a set of meteorites called chondrites, whose components formed in a cloud of gas and dust at the dawn of the solar system billions of years ago. The ...

Roughly 4.6 billion years ago, the Sun was born from the gas and dust of a nebula that underwent gravitational collapse. The ...

The organic ingredients to life, hints to where Earth’s water came from, and the fundamental building blocks of our planet ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system. These embryos, somewhere between small planetesimals and fully formed planets ...

New research reveals that Earth and Mars lost essential elements due to violent cosmic collisions, not early planetary ...