For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers ...

A small asteroid has been quietly following Earth’s orbit for decades—unseen, unbothered and, until recently, completely ...

The provisionally named S/2025 U1 is so small it had gone unnoticed by probes and telescopes for the past 40 years.

(CNN) — Astronomers using the powerful eye of the James Webb Space Telescope have spotted a previously unknown moon whirling around Uranus, according to NASA. The discovery boosts the number of moons ...

Our planet has apparently had a small companion that went undetected for decades. What took so long to find it and why was it hidden?

The newly discovered asteroid is expected to tag along on the Earth's path around the sun for another 60 years.

Astronomers have made an astounding discovery, finding a new ‘moon’, or quasi-moon, that has been following Earth for over ...

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

Earth has a new quasi-moon, which is called 2025 PN7. A new paper has revealed that it has been orbiting near our planet ...

While it does have somewhat of an awkward name, Uranus has actually been called the boring planet, and at first glance, it does look rather calm and yes, even boring, but underneath its placid blue ...

Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary ...

Roll out the cosmic welcome mat for our solar system’s newest resident: a never-before-seen moon orbiting Uranus. A team of astronomers announced Tuesday that a new satellite measuring roughly 90 ...