This hyperbolic Oort Cloud comet, on an inbound journey spanning millions of years, reached perihelion, closest position to the Sun, on January 20, 2026.

A computer visualization maps small bodies in the solar system that are expected to be observed by the Rubin Observatory during the 10-year Legacy Survey of Space and Time. Red indicates near-Earth ...

There’s a giant ball of ice barreling through the solar system right now, and it’s bigger than any we’ve seen before. It poses no threat to Earth, but this comet, called C/2014 UN271 ...

Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.

The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be chemically active. When you purchase through links on our site, we may earn an ...

This discovery has drawn interest from both professional researchers and skywatchers because comets are ancient remnants from the early formation of ...