Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...

New research says that Earth could be ejected from our solar system if a passing star was to come close enough.

The origin of life is one of the most fundamental and enduring questions of mankind and one of the three greatest Origin ...

A superbright Mars is currently visible alongside Regulus, the "Heart of the Lion" star located around 79 light-years from ...

The image, captured by NASA ’s Mars Odyssey orbiter, is the first of its kind: a volcano on the Red Planet seen on the ...

Passing stars could trigger instability across the solar system, resulting in Earth being hauled out of its orbit.

The core of the Red Planet may be filled with sulfur. New experiments have shown that the core of Mars formed much faster ...

The robotic spacecraft Psyche has regained propulsion after a snag cut its propellant system in April. Engineers had to ...

What do the clouds on Jupiter, dust storms on Mars and rainstorms on Titan all have in common? They look like they belong on ...