The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

There are signs deep beneath the Pacific Ocean that an exploding star once sent cosmic rays blasting out towards Earth, and ...

A new study reveals an intriguing possibility: asupernova explosion might have sent a surge of cosmic rays toward Earth around 10 million years ago, with consequences etched in ocean rocks. The ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

Earth gazed into the cosmos, wondering if she would ever get a new planetary neighbor. To her astonishment, one day... it happened. This video explores the breathtaking and chaotic consequences of a ...

In our own solar system, there are pretty good odds that you could stand on the surface of an asteroid and not even be able ...

Astronomers have been racing to get a better look at 3I/ATLAS, a mysterious object screaming into our solar system from far beyond. Now, as the BBC reports, new observations by the Gemini South ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

Two recent studies used seismic data from NASA’s retired InSight mission to shed light on what lies beneath Mars’ surface and what it means for the planet’s history The spacecraft will map the ...

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

A team of researchers, including those at the University of Tokyo, discovered that liquid water once flowed on the asteroid that spawned near-Earth asteroid Ryugu more than a billion years after it ...

A new analysis estimates that the asteroid belt is steadily losing mass each year, and may not be as permanent a feature of ...