Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...

Mars has lost immense amounts of water over it lifetime, and scientists aren't sure exactly how. New research hints that the ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

If we're to land humans on Mars in the coming decades, we'll have to know what challenges await them when they get there.

The aerospace giant says it can revive Mars Sample Return with a leaner, lower-cost approach drawing on proven designs.

Despite being known as the Red Planet, Mars shows off its swirling yellows, oranges and browns in a new satellite photo from ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

Sky This Week is brought to you in part by Celestron. Friday, July 4Mercury reaches its greatest eastern elongation (26°) ...

From Mercury’s peak visibility to the Southern delta Aquariids meteor shower, July’s skywatching lineup promises an array of ...

In this week’s episode of Space Minds David Ariosto sits down Nathalie Cabrol, Director of the Carl Sagan Center at the SETI ...

The Expanse delivered six seasons of epic science fiction television, but how those seasons stack up against one another is a ...