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.

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

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 ...

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

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 ...

Our world could still be rocked indirectly. “City-killer” asteroid 2024 YR4 may no longer be on a collision course with Earth, but it could pose a threat to our planet. Astronomers have upped the odds ...

Earth's orbiting satellites are commonly regarded as if they were suspended in mid-air. It is a fact that they actually ...

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 ...