I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Researchers from the Nanjing Institute of Geology and Paleontology of the Chinese Academy of Sciences and Columbia University ...

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

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

Update: NASA has confirmed the object is an interstellar comet and says it has been officially named 3I/ATLAS.

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

Astronomers have discovered a new object that originated outside of our Solar System — only the third to be found.

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

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

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.