An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Mars's atmosphere and climate are impacted by interactions with solar wind, a stream of plasma comprised of protons and ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

Mars is home to perhaps the greatest mystery of the solar system: the so-called Martian dichotomy, which has baffled ...

Mars helicopter Ingenuity appears to be missing rotor blades in Perseverance rover imagery captured. The rover's SuperCam ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

The Red Planet will be at its closest point to Earth, also known as perigee, on Jan. 12 and will be exactly opposite the sun ...

Venus and Saturn are currently in conjunction, meaning the planets appear close together in the night sky from Earth. These ...

Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.

Mars is known as the 'Red Planet.' Learn about its reddish hue, caused by iron oxide, its position as the fourth planet from ...

The research, yet to be peer-reviewed, sheds light on what could have changed the orbits of several planets in the solar ...