Ukraine's security service displays wreckage of Russia's new experiemental ballistic missile; Leaders from around the world ...

Engineers at NASA's Jet Propulsion Laboratory recently tested prototypes of miniature, self-propelled robots designed to ...

Currently, more than 2 million miles away, the object is too small and faint to see without a powerful telescope.

More than 99% of Americans live under skies polluted by light. But dark skies at the Grand Canyon and more than 145 other ...

Few moons are as large as Earth's in relation to their planet. While it's impossible for a moon to be bigger than its planet, ...

Planet Earth is parting company with an asteroid that’s been tagging along as a “mini moon” for the past two months.The ...

For the past two months, a small asteroid named 2024 PT5 has been keeping Earth company, acting as a "mini-moon." Now, it's ...

Planet Earth is going separate ways from an asteroid that has spent the last two months floating along as a "mini moon" - ...