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 challenge the known laws of physics, suggesting the ...

Astronomers have spotted a distant world "shedding" its atmosphere into space in real time, creating a giant cloud of helium ...

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

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

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

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 ...

NASA's next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the ...

By trapping huge amounts of water on land, big dams built by humans have slightly changed how Earth spins and where its poles ...

Scientists believe a powerful solar wind burst may explain Voyager’s unusual 1986 radiation readings at Uranus, offering new insights into distant planetary environments.

Dr. Roberta Bondar was the first Canadian woman and the first neurologist to travel to space.

I ATLAS interstellar comet brightens in new NASA and ESA images, revealing an active visitor and rare clues about other star ...