Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist. Now, scientists have found a total of 14 of them.

Because the source of their propulsion cannot be seen, Seligman has given these 14 solar system oddities a rather catchy name: dark comets. Solving the riddle of these dark comets will do more ...

Though our solar system and the movement of its planets appear relatively sedate, there are many things that could upset the balance. Anything with enough mass that got close enough could disrupt ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...

So far away, in fact, OF201 would take 25,000 Earth years to complete a solar lap. Its orbit even swings out into the Oort Cloud – a sphere of icy comets a trillion miles from the Sun.

One proposed way of examining if such a force could exist is by closely monitoring asteroid trajectories, and few near-Earth ...

The Vera C Rubin observatory, home to the world's most powerful digital camera, promises to transform our understanding of ...

Three new full-dome movies will highlight the July schedule at the University of Wyoming Harry C. Vaughan Planetarium.