Astronomers have observed a massive growth rate in a free-floating rogue planet that’s gobbling up gas and dust at a record rate of 6.6 billion tons per second.

This documentary explores the bizarre characteristics of Triton, Neptune’s strange moon that defies the rules of the solar system with its backward orbit and icy geysers.

ESA spacecraft orbiting Mars and monitoring the Sun are stepping in to track 3I/ATLAS, a rare interstellar comet hidden behind the Sun until December 2025, offering scientists a once-in-a-lifetime ...

Our solar system is a wonder, from the star at the center to the planets and moons in orbit, as seen in these fantastic pictures taken by Hubble, the Solar Dynamics Observatory, and the Mars ...