A small object recently captured by Earth’s gravity may not be a natural satellite at all. According to Harvard astrophysicist Avi Loeb, the mysterious body, known as 2025 PN7, could be a lost piece ...

Thanks to an onboard camera system that streamed at one-image-per-second back to Earth, mission engineers, along with the ...

Earth has a new friend — and it’s been waiting for us to notice it for decades. In a new study published in the journal Research Notes of the American Astronomical Society, astronomers report the ...

An asteroid named 2026JH2 will swing by Earth on Monday, passing four times closer than our distance to the moon.