Even most rocket scientists would rather avoid hard math when they don't have to do it. So when it comes to figuring out ...

Zipping toward Earth at around 20,000 miles per hour, the asteroid is due to make its closest approach on Tuesday.

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

Russia's missile warning system may rely on just one Tundra satellite by late 2025, as others show signs of failure, ...

Plans to build data centers on the Moon have moved from science fiction to hardware already riding lunar landers, and now a new venture wants to push that idea into the quantum era. Instead of ...

In an era increasingly defined by a US–China contest for orbit, India’s space wave is emerging as the third force — not just competitive, but trusted.

Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...