What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

Recent discoveries have unearthed clear evidence of liquid water on Mars, dating back to 4 billion years ago. This revelation ...

NASA’s discovery of potential evidence of ancient life on Mars means “our galaxy could be teeming with life,” says a ...

ESA’s Mars orbiters captured images of the interstellar comet 3I/ATLAS as it passed close to Mars, revealing its bright, hazy ...

Interstellar comet 3I/ATLAS is just the third such object ever confirmed to have entered our solar system. It has attracted ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

Using JWST and ALMA data, astronomers have spotted a superlong and narrow 'galactic contrail,' possibly produced by a black ...

An alien comet passing through our solar system made its closest approach to Mars recently, and two European robotic ...

Mercury's tight orbit around the sun will see it depart Mars to travel leftward in the direction of the constellation ...

Mars, Earth, and Jupiter before leaving the solar system permanently. Its closest approach to Earth will be roughly 1.8 AU (about 170 million miles) in December 2025, posing no threat to our planet.

A one-way trip to the Mars usually takes about 9 months, but one team out of Russia thinks they can knock that down to 30 ...