It’s a term used by astronomers to describe when Earth, Mars and the Sun align. When this happens, Earth sits directly ...

NASA announced Tuesday that it is exploring two options to move forward with its mission to return samples from Mars at a ...

The Red Planet reaches its best position all year this week on January 15. Here’s how and when to get out and see it.

PCs dish out dense servings of performance and convenience in exceedingly small packages, and we got a first peek at them at ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a ...

A new preprint study looking at data from NASA's Interior Exploration using Seismic Investigations, Geodesy and Heat ...

An occultation of Mars by the Moon last occurred on Dec. 7, 2022. This photo, showing Mars just before it went behind the Moon, was taken during that occultation at PAC’s Paul Castle Observatory in ...

The Mars Sample Return effort was billions of dollars ... bring those red planet rocks back to Earth sooner by reducing the size and weight of the mission, known as Mars Sample Return.

NASA's Ingenuity helicopter, which flew on Mars in April 2021, became the first aircraft to achieve powered, controlled flight on a planet other than Earth.

Scientists have long theorized that Charon formed much like Earth’s moon, which was created after a Mars-size object slammed into our planet. The impact sent molten debris from Earth flying into ...