Scientists recently detected something unusual entering our Solar System, sparking discussions about whether it is a comet or ...

A delay in one European Space Agency mission is creating an opportunity for an earlier, and more capable, launch for another ...

NASA Administrator Jared Isaacman shares his optimism for the upcoming Artemis mission and the future of American space ...

A rogue comet from another star system is rewriting the textbook on how cosmic visitors behave deep inside our solar system.

What: A forward-looking SETI Live discussion examining the most significant space science missions, discoveries, and ...

NASA has formally concluded that 3I/ATLAS, the third confirmed interstellar object ever detected passing through the solar ...

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

When interstellar visitor 3I/ATLAS exhibited some peculiar movements, speculation arose regarding potential alien origins.

Recently discovered Comet C/2025 R3 (PanSTARRS) will make its closest approach to the sun and Earth in late April and could ...