This article originally published at Earth just got a new companion in space. It's sticking around for 60 years.. A one-way ...

The wavelengths of radio light are so large that you can't capture a high-resolution image with a single dish. To capture an ...

When a Mars-sized meteorite slammed into Earth billions of years ago, the impact completely reset any and all chemical ...

Earth has just acquired a new best friend in space – a small asteroid named 2025 PN7. Not quite a moon, it has been moving in ...

Astronomers have identified 2025 PN7, a small, faint asteroid, as a quasi-moon that has been orbiting near Earth for ...

NASA has confirmed that a small asteroid named 2025 PN7 has been orbiting alongside Earth since the 1960s and will remain our ...

This quasi-moon is expected to remain in its current near-Earth orbit for about another 60 years before the gravitational tug ...

What will the world look like in 2100? This question is central to a new free online game called FutureGuessr. Launched in ...

Scientists have discovered asteroid 2025 PN7, a celestial body now identified as a quasi-satellite. This asteroid will orbit ...

Did NASA find another Earth? Scientists look to the sky to find a copy of our planet, and some experts think they may have ...

NASA just confirmed that a quasi-moon has been orbiting since 1960. Here is everything to know about what is being called a "second moon." ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...