Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

An artist's conception showing a planetary smash-up between a Moon-sized object and a Mercury-sized object. (NASA/JPL-Caltech ...

Mars does not have Earth’s kind of magnetic shield, so it has often been treated as the solar system’s more exposed world. It ...

Scientists studying a rare, ancient angrite meteorite found in the Sahara Desert have uncovered evidence of a lost ...

This summer, scientists spotted an incredibly rare visitor to Earth’s solar system—a comet, now known as 3I/ATLAS, that entered our solar system from the galaxy beyond and is zipping past the sun at a ...

A phenomenon, thought impossible on Mars, compresses its atmosphere like squeezing a tube of toothpaste. Dubbed Zwan-Wolf, ...

Pioneer Astronautics has conducted a successful dynamic test of its Mars solar balloon inflation system. The experiment, performed at an altitude of 116,000 ft over Kuner Colorado on September 26, was ...

Mars looks blue and bruised in surreal new images from Psyche spacecraft — Space photo of the week A giant 'shadow' has been creeping across Mars for 50 years — and scientists aren't sure why ...

Your guide to viewing the visible planets of the solar system in the night sky of 2025. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When will ...