Scientists peering into the very heart of the planet Mars have found a deeply unexpected structure. There, at the innermost ...

Determining the size of an Earth-size exoplanet by the amount of starlight it blocks hundreds of light-years away once was the realm of science fiction. Measuring the mass of such a small planet based ...

Interstellar object 3I/ATLAS nucleus size remains one of the biggest mysteries in astronomy. Scientists are analyzing ...

Scientists have discovered that Mars has an interior structure similar to Earth’s. Results from Nasa’s Insight mission suggest that the red planet has a solid inner core surrounded by a liquid outer ...

It's clear that Mars once gushed with water. Today, aerial views of the Red Planet's Jezero crater (shown below) reveal that water once poured into this basin, leaving behind telltale signs of rivers, ...

The research has drummed up excitement — and attracted some skeptics The research has drummed up excitement — and attracted some skeptics The research has drummed up excitement — and attracted some ...

Nevertheless, life may not have completely vanished but could be hiding in special environments that are difficult for the ...

The long-chain organic molecules decane, undecane, and dodecane. These are the largest organic molecules discovered on Mars to date. They were detected in a drilled rock sample called "Cumberland" ...

Scientists may have pinpointed a massive, oddly shaped volcano taller than Mount Everest on the surface of Mars — and it has been hiding in plain sight for decades, according to new research.Related ...

Despite seeming like Earth's twin, Venus is a strange and mysterious place. Scientists haven't known what made it so odd, but that might have just changed.