The Latest Breaking News from Solar System

The sun just leaked a huge amount of helium-3 — the rare isotope scientists want to harvest on the moon

The sun was caught bursting out a huge quantity of helium-3, an isotope that's scarce in our solar system.

Space · Apr 11, 2025

Nearby exoplanet could offer clues about atmospheres around hot, rocky alien worlds

A nearby Earth-sized planet beyond our solar system could soon add to the diversity of known terrestrial worlds with their own "air."

Space · Apr 9, 2025

The truth is out there: Scientists want a new mission to hunt for life beyond Earth

A trip to planets outside our solar system could tell scientists a lot — even if no extraterrestrial life is found

The Independent UK · Apr 8, 2025

Meteorites and asteroids tracked back to their place of origin in the solar system

Astronomers have tracked several meteorites that dropped in on Earth back to their origin, space rocks in the main asteroid belt between Mars and Jupiter.

Space · Mar 24, 2025

Exoplanet 'baby pictures' reveal exomoons possibly taking shape around infant worlds

Astronomers have examined infant planets orbiting a star 370 light-years away, seeing the exomoon forming disks of gas and dust around them in unprecedented detail.

Space · Mar 22, 2025

How the James Webb Space Telescope is helping size up tiny dwarf planets

A new model that incorporates data gathered by the JWST could help scientists understand the composition and mass of objects in the distant Kuiper Belt and beyond.

Space · Mar 21, 2025

Futuristic, 'alien-like' nuclear fusion rockets developed in total secret could revolutionize space travel — if they actually work

U.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds, that could cut journey times across the solar system in half. But not everyone is convinced.

LiveScience · Mar 20, 2025

James Webb Space Telescope sees four giant alien planets circling nearby star (images)

The James Webb Space Telescope (JWST) has directly imaged four planets orbiting the host star HR 8799 about 130 light-years from Earth in the constellation Pegasus.

Space · Mar 17, 2025

Webb Telescope Directly Observes Exoplanet CO2 For First Time

The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar system for the first time, scientists announced Monday.

International Business Times · Mar 17, 2025

How did Earth get such a strange moon? Exploring the giant impact theory

The moon is unlike anything else in the solar system. So how did our planet end up with such a special moon?

Space · Mar 17, 2025