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 ...

New research from Rice University suggests that the giant planet Jupiter reshaped the early solar system in dramatic ways, ...

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." ...

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

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

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 ...