There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Astronomers have detected one of the darkest objects ever seen at a record cosmic distance—only with the assistance of ...

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

A team of astronomers has attempted to track the path of interstellar object 3I/ATLAS back into the past, tracing its path ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

Our Solar System hides worlds of fire and ice, storms that outlast civilizations, and mysteries still beyond human reach. These ten discoveries reveal a universe far stranger than we imagined.

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

Astronomers have made an unexpected and groundbreaking discovery in our solar system—a ring system forming around Chiron, a ...

The asteroid belt may seem permanent, but it is far from static. Its slow decline reveals a more violent past when more ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

The object was detected not through any light it emits but by the subtle way its gravity bends light around it, a phenomenon ...