In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

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

Learn about the new perspective on Earth's reduction of moderately volatile elements, a discovery made possible by meteorites ...

Mars spacecraft teamed up with an AI model to find a new impact crater on on the Martian surface, changing our understanding of the interior.

Scientists may have figured out how Mars hung onto its surface liquid water in its ancient history via alternating periods of ...

The image below, taken by the European Space Agency's Trace Gas Orbiter (which arrived at Mars in 2016), shows one of the ...

Continuing the Artemis program and using its planned lunar space station as a staging post would be a more energy efficient ...

Though it's a cold, dead planet, Mars still has its own natural beauty about it. This image shows us something we'll never ...

New research shows that meteoroid impacts on Mars generate seismic signals that travel much deeper than previously thought, ...

Extraplanetary spacefaring has a hoary history in science fiction. Elon Musk, our so-touted Mars visionary, is an avid sci-fi ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Humans are inching closer to living beyond Earth, but sustaining life on the moon or Mars requires a critical resource: water ...