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

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

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 ...

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

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 ...

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.

The seven planets will not be perfectly aligned, but will appear in an arc across the sky due to their orbital plane in the ...

The next logical progression to space exploration would be sending people to Mars, but there are challenges to this, such as ...