Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...

A parade of planets will be visible to skywatchers around the globe through the rest of this month and into February.

President Donald Trump made a bold promise to America minutes after taking the Oath of Office: pledging that an American flag ...

Steel slag captures carbon from the atmosphere. Companies with climate goals — and an Ohio motocross raceway — are making use ...

A handful of planets in the solar system are expected to line up in the night sky for a few days in January 2025. Here's when ...

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

Six planets will be in alignment this weekend, with four of them shining bright in one sweeping view. What to know about the ...

President Trump vowed Monday to be the first commander-in-chief to put US astronauts on Mars. “The United States will once ...

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

This once-in-a-generation shift is a pivotal power play in a saga that will unfold in the years and decades to come.

This month offers incredible views of six planets, including Venus-Saturn conjunction. See the dates for all of 2025's ...

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But ...