The rocky bodies, which look like asteroids but act like comets, could comprise up to 60% of near-Earth objects.

Comets are icy bodies that formed alongside the planets in the early Solar System before being flung into its distant outer ...

Exclusive: New images have been released ahead of the official opening of Natasha, Pierre and The Great Comet of 1812 at the ...

It’s only two years since known objects that look like asteroids and move like comets became numerous enough to get a name, ...

A celestial object found in 2021 within the asteroid belt was confirmed as a main-belt comet, distinguished by its icy composition and comet-like behaviors when near the Sun. Researchers emphasize the ...

Among patients with hormone receptor (HR)-positive, HER2-negative, low-risk ductal carcinoma in situ (DCIS), those who ...

This image of the Geminid meteor shower is the result of a fair amount of work consisting of aligning stars aligning and ...

Preparations are underway to send the next round of astronauts to the International Space Station (ISS). SpaceX's Crew-8 ...

The first dark comet — a celestial object that looks like an asteroid but moves through space like a comet — was reported less than two years ago.

On his fourth flight, Don Pettit is once again sharing the art of astrophotography, capturing and posting pictures of Earth, ...

The findings were published on Monday, Dec. 9, in the Proceedings of the National Academy of Sciences. Scientists got their first inkling that dark comets exist when they noted in a March 2016 ...