Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

The James Webb Space Telescope has captured a belching protostar in its infancy. By studying the dust grains whirling around ...

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

"We are the first mission to be able to track space weather events in three dimensions routinely across the solar system." ...

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the ...

Asteroids are more than just space rocks—they come in many shapes, sizes, and compositions, with some even defying scientific ...

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a host of other puzzles connected to the solar system's deep past ...

Samples from asteroid Bennu have delivered insights into the origins of Earth’s water and the organic molecules that may have ...

Caltech scientists are developing laser-driven lightsails that could push spacecraft beyond our solar system. Their research ...

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

Cosmic rays coming from outside the Solar System bring these particles closer to the Sun, where they experience changes ...