There are many obstacles to overcome before humans can set foot on Mars, including problems surrounding launch mass and ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

Musk has long envisioned colonists on Mars. This seems like a fever dream, but it recently featured in Trump’s inaugural ...

The primary manufacturer of the Space Launch System rocket, Boeing, made a sudden announcement on Friday that it was ...

BOSTON - The highlight of the week is coming tonight in the night sky - the lunar occultation of Mars. First off, at 5:27 p.m. the moon will be officially full. The full January moon is known as ...

Our Solar System is a carefully balanced celestial dance held together by a virtually perfect balance of gravity and inertia.

A red supergiant star 12 times the mass of the sun, Antares is one of the ... and known as the “rival of Mars” because of its rosy color and because Mars passes it closely every 26 months.

Langmuir Probe and Ion Mass Spectrometer onboard the MAVEN spacecraft to explore Mars's electrons and ion densities, solar wind ion densities, velocities, pressure and magnetic field during the event.

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars. As shown in the imagery below, the NASA robot investigated dried-up lake beds and captured views of ...

The mass may have even pushed Earth's orbit closer ... More information: Emily Simpson et al, How might a planet between Mars and Jupiter influence the inner solar system? Effects on orbital ...