The simulation of the Solar System that came the closest to the observation was the presence of a small planet, between the ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

Since Pluto was relegated to dwarf planet status, almost everyone has agreed that there are eight planets in our solar system ...

An alien comet passing through our solar system made its closest approach to Mars recently, and two European robotic ...

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

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

KENNEDY SPACE CENTER — SpaceX’s Falcon 9 rocket pierced the Wednesday morning sky as it launched three spacecraft from NASA and NOAA that will study the solar system’s “bubble,” collect information on ...

We take a look at what the discovery of liquid water under Mars’ surface could mean, we discover how space affects the human ...

This type of thermal energy storage, also known as ice batteries, is being added to buildings in the U.S. for its ability to ...

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?