XS3 will pass Earth on December 19, 2024, at a safe distance of 2,080,000 miles. While there is no risk of collision, the ...

Researchers have doubled the number of known dark comets, identifying two distinct types: larger ones in the outer solar ...

Even small asteroids can do a lot of damage—and new research shows the James Webb Space Telescope is adept at spotting the ...

Although our solar system is billions of years old, we've only recently become better acquainted with one of its more dynamic ...

Astronomers found hidden cosmic channels connecting our solar system to distant stars, reshaping views of interstellar space.

Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist.

If Brown’s hidden world is real, Rubin will almost certainly find it or strong indirect evidence that it exists. “In the ...

NASA's discovery of dark comets reveals potential origins of life on Earth, but their unpredictable orbits raise concerns ...

Comets, often described as the solar system's "dirty snowballs," are icy bodies made of rock, dust and ices. These relics of ...

Astronomers analyzing archival images from JWST have discovered an unexpectedly vast population of the smallest asteroids ever seen in the asteroid belt between Mars and Jupiter.

Carrying out simulations to try and discover what best explains the orbits of these objects, the team found that a model that ...

When I asked readers on social media for suggestions about the coolest things they’ve seen in spaceflight during the last 25 ...