Researchers have proposed a theoretical timepiece, dubbed the "CRASH Clock," which tells us how quickly satellites would ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

For more than 25 years, humans have lived and worked continuously aboard the International Space Station, conducting research ...

On Monday, SpaceX made space history, as four astronauts were launched into a pole-to-pole orbit not traveled by any human before them. But why is this orbit so unusual, and why has nobody done it ...

Kosmos 482 is 3.2 feet across and could make impact at about 150 mph, per one expert Toria Sheffield joined the PEOPLE editorial staff in 2024. Her work as a writer/editor has previously appeared in ...

Astronomers discovered a "quasi-satellite" of Earth, also known as a "quasi-moon," dubbed 2025 PN7 in 2025. NASA told Snopes ...

Earth and its neighbors orbit the sun on a relatively flat plane. But what's below this plane, and is anythign below the ...

A NASA mission has spotted an Earth-size exoplanet orbiting a small star about 100 light-years away. The planet, named TOI 700 e, is likely rocky and 95% the size of our world. The celestial body is ...

Imagine a fully automated 3D printer suspended in midair, churning out crucial components for use at home and abroad.