Why is NASA so worried about space microbes? How much damage could an extra-terrestrial microorganism do here on Earth? And ...

Astronomers have discovered icy rocks in the outer solar system that seem to defy the laws of physics, suggesting the ...

"The James Webb Space Telescope has captured helium escape from this planet for the first time, and it is the most confident ...

Despite being one of the most promising places to explore for signs of life, "special regions" and "uncertain regions" may be ...

One of the most elegant theories about the origins of life on our planet is that it was kick-started by a delivery from outer ...

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this close origin.

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...

Elisha Sauers writes about space for Mashable, taking deep dives into NASA's moon and Mars missions, chatting up astronauts ...

Astronomers have spotted an intriguing cluster of objects in the Kuiper belt, an enormous, donut-shaped region of icy objects beyond Neptune.

Apple TV's Pluribus is the new incredible sci-fi show on the block. For fans of the series, here are 15 other shows to binge ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.