Astronomers are tracking asteroid 2024 XS3, an 84-foot space rock, passing Earth at a distance of 2,080,000 miles today.

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

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

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

Astronomers have detected 138 decameter-sized rocky bodies in the main asteroid belt, marking the smallest asteroids ever ...

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 ...

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

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

Flybys of Jupiter’s fiery moon Io, carried out by NASA’s Juno spacecraft, are helping to solve the enduring mystery of why ...

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

The solar system, long believed to be a relatively stable and isolated system of planets, moons, and distant bodies, may have experienced a dramatic shift caused by an unexpected interstellar visitor.