Astronomers have identified a small but significant possibility that a Neptune-sized planet is quietly orbiting within the ...

Astronomers are abuzz with the discovery of a rogue planet, 2MASS J05325346+0919037, which is set to pass within 0.05 ...

In a nutshell: Far beyond the orbit of Pluto lies a mysterious region filled with icy objects circling the Sun. This distant zone, known as the Oort Cloud, remains unseen, but its existence is ...

The human mind may find it difficult to conceptualize a cosmic cloud so colossal it surrounds the Sun and eight planets as it extends trillions of miles into deep space. The spherical shell known as ...

The edge of the Solar System is a strange place, full of oddities we've only just begun to probe. But perhaps the oddest of all is the Oort Cloud, a vast field of icy debris extending out to 100,000 ...

ALMA captures surprising activity in comet C/2014 UN271, Bernardinelli-Bernstein comet, the largest ever detected.

The Oort cloud is traditionally thought of as a vast shell of perhaps trillions of icy objects encasing our solar system, serving as the final boundary between us and the dark reaches of interstellar ...

The human mind may find it difficult to conceptualize: a cosmic cloud so colossal it surrounds the Sun and eight planets as it extends trillions of miles into deep space. The spherical shell known as ...

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Spirals ...

The human mind may find it difficult to conceptualize: a cosmic cloud so colossal it surrounds the Sun and eight planets as it extends trillions of miles into deep space. The spherical shell known as ...