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

Saturn's rings, once thought young, might be as old as the planet itself, around 4.5 billion years. New research using ...

Scientists recently led a team that found, for the first time, that Chiron has surface chemistry unlike other centaurs. Its surface it has both carbon dioxide and carbon monoxide ice along with carbon ...

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

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.

Asteroid 2024 XS3, a small Apollo asteroid, safely passed Earth at a distance of 3.3 million kilometers on December 18, 2024.

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 ...

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 ...