NASA's Perseverance rover may have uncovered hints of ancient Martian life, but China's Tianwen 3 mission could be the first ...

The Manhattan-sized interstellar object 3I/ATLAS will buzz past Mars this week — making its closest pass to any planet on its ...

Slices from the edge of Mars reveal a layered atmosphere of delicate complexity. A European spacecraft has captured a ...

Harvard scientist Loeb says comet-like 3I/ATLAS is far larger than expected and could offer clues about alien technology.

If it pans out, it may complicate Elon Musk’s dreams of founding a settlement on the fourth planet from the sun.

Creating a composite photograph of the images taken by the Color and Stereo Surface Imaging System ( CaSSIS) aboard the Trace ...

October's longer nights bring two transits of Titan across Saturn, while Io and Europa tango together across Jupiter three ...

Astronomy magazine encourages readers to observe a conjunction of a crescent Moon and Mars on August 26th. The observation is recommended to begin approximately 30 minutes post-sunset. Binoculars are ...

Astronomers have struggled to explain why a long and thin cloud forms above Mars’s Arsia Mons volcano each year, until now ...

Earlier evidence pointing to ancient microbial life on the red planet hasn’t held up.

Billions of years ago, water flowed across Mars. Most scientists agree the red planet had rivers. But did those rivers flow ...