Orbital dynamics show that President Trump’s pledge to land astronauts on Mars couldn’t happen until 2029 at the earliest.

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

Traveling through the farthest passing of Earth and Mars would involve a trip directly through the sun, while spacecraft must of necessity move in orbit around the solar system's star. Although ...

Astronomers mistook a Tesla Roadster that was launched into orbit in 2018 for an asteroid earlier this month. The registry of ...

The Artemis program has been NASA's best chance to get "boots on the moon" again. But with the new US administration taking ...

I almost missed it. Amid a bout of prime-time doomscrolling, a social media post reminded me there was something worth seeing in the sky. Mars disappeared behind the full Moon for a little more ...

But according to an international team of researchers, including some from the University of Geneva, in a study published ...

Additionally, Mars recently passed perigee on Jan. 12, its closest point to Earth in its orbit around the sun, which makes it slightly larger in the sky. The result? A stunning lunar occultation of ...

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.