A look at the potential effects of a rogue planet entering our solar system, from shifting Earth’s orbit to triggering ...

Astronomers are gathering evidence of a massive hidden planet lurking beyond Neptune. Trump Cuts Millions After California ...

A scientist spotted an asteroid hiding in the sun's glare that orbits the sun in just 128 days, making it the second fastest ...

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...

TOI-2267 is made up of two small and cool stars. The team confirmed the presence of two exoplanets, and there is strong ...

The universe has quasi-moons, mini-moon, and moonlets, but no official definition of what counts as a moon.

The comet is on what’s known as a hyperbolic trajectory, which means that it doesn’t follow an orbital path around the sun.

In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically ...

Visual: In this diagram, J, S, U, and N are the solar system’s giant planets. What’s the collective name for the objects in ...

Astronomers have identified 2025 SC79, a new asteroid with a remarkably fast 128-day orbit, placing it among the ...

A new study revealed how the ancient Maya used lunar and solar calendars to predict eclipses with remarkable accuracy.