In the span of a few months, comet 3I/ATLAS became a real-world stress test for humanity’s most sensitive “are we alone?” ...

NASA's Europa Clipper spacecraft has captured ultraviolet images of interstellar comet 3I/ATLAS, revealing hidden chemical ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the NASA-funded ATLAS telescope in Rio Hurtado, Chile and was quickly confirmed to be just the third interstellar visitor to our solar system, after ...

NASA's Europa Clipper and the James Webb Space Telescope have revealed the chemical secrets of interstellar comet 3I/ATLAS, ...

The mystery around interstellar comet 3I/ATLAS has deepened after CIA said it could "neither deny nor confirm the existence ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Interstellar comet 3I/ATLAS will soon reach its closest distance to Earth, so this may be our last, best chance to see this rare object before it heads back out into the universe, never to return. One ...

A shocking CIA document has just raised doubts that the mysterious interstellar object is really a comet like NASA has ...

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

The CIA's refusal to confirm records on interstellar object 3I/ATLAS sparks a global debate. Is it a comet or a 'black swan' ...

From signs of life on Mars to an interstellar visitor and weakening dark energy, 2025 reshaped space science, raising the ...