Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...

The interstellar comet 3I/ATLAS has a thick irradiated crust that no longer resembles its home star system, simulations and ...

The chemical signatures we're observing may reflect both the comet's ancient origins and its long journey through ...

As the third confirmed interstellar object to pass through our solar system, 3I/ATLAS is prime for new discoveries. It was ...

I/ATLAS is the third interstellar object ever discovered in our solar system. Telescope observations suggest it is a roughly 7-mile-wide (11 kilometers) comet zooming at more than 130,000 mph (210,000 ...

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

I/ATLAS is set to reach its closest point to the Sun on Wednesday (October 29), at around 11:47 Universal Time (UT). The ...

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How ...

Hidden behind its glare, the interstellar comet 3I/ATLAS completed its closest approach, and new images from space show the ...

Interstellar invader Comet 3I/ATLAS is still full of surprises — an unexpected brightening has scientists baffled ...

KENNEDY SPACE CENTER — SpaceX’s Falcon 9 rocket pierced the Wednesday morning sky as it launched three spacecraft from NASA and NOAA that will study the solar system’s “bubble,” collect information on ...

Asteroids, comets, and clouds contain complex organic molecules that form in space and might have kickstarted life on Earth ...