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

The above 40-second video is sped-up footage of the new-found jets flashing briefly near the Sun’s south pole. In reality, ...

Two new studies show a briny, carbon-rich environment on the parent body of the Bennu asteroid was suitable for assembling ...

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

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

While not a detection of life itself, this study shows that the Solar System may have been far more conducive to life in its distant past then we previously believed. Some 4.5 billion years ago ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

It took two years for NASA's OSIRIS-REx space probe to return from asteroid Bennu before dropping off a small capsule as it ...

Titan is the only moon in our solar system with a significant atmosphere. Now we have a very good idea of how this dense ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's responsible for the orbits of the planets and their satellites, but there ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...