Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

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 ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

A recently observed object called 2025 PN7 was found orbiting near the Earth. The quasi-moon is expected to accompany our ...

How does a planet’s size influence its orbit around its parent star? This is what a recent study published in the Proceedings of the National Academy of Sciences hopes to address as a team of ...

Earth will have an extra moon for a couple of weeks this fall, and it may return for a second round in a few decades. A 33-foot asteroid named 2024 PT5 is expected to be pulled into orbit around the ...

The asteroid will orbit the Earth for about two months starting from Sept. 29. The Earth is getting a second moon for a limited time beginning the end of September. An asteroid will come close enough ...

The Moon, our constant celestial companion, is drifting away from Earth at a slow but measurable rate. According to a ...

Space junk has filled up so much of Earth's orbit that it's endangering satellites and astronauts. The company Kayhan Space issues roughly 1,000 space-collision warnings per day. Earth-orbit experts ...

Earth’s climate has never been static. It shifts between warm interglacial periods and deep freezes, driven by complex interactions between the atmosphere, oceans, and even Earth’s orbit around the ...

The moon will soon have a companion in Earth's orbit for a limited time. An Arjuna asteroid will become a "mini-moon" event for nearly two months starting Sept. 29, according to a study published in ...