The interstellar comet 3I/ATLAS will make its closest approach to Earth this week on Dec. 19, 2025. Here's the latest news ...

Nearly 800 million light-years away, something has been forming. Scientists aren't exactly sure what it is but have dubbed it ...

Is Comet 3I/ATLAS the Oldest Comet Visitor from the Solar System? Learn about Comet 3I/ATLAS, its origins, discovery, why it ...

The Hubble Space Telescope and the Jupiter Icy Moons Explorer have captured fresh images of an interstellar comet as the ...

Officially designated 3I/Atlas after its discovery this summer, the comet will make its closest approach to Earth this Friday ...

Voyager has boldly ventured to a stunning 50,000-degree boundary, revealing new insights into the solar system's mysteries.

The mysterious interstellar comet 3I/ATLAS is making its closest approach to Earth on Friday, offering scientists a rare ...

Samples collected from the asteroid Bennu are continuing the shed light on the origins of the solar system and how life ...

Because Titan is tidally locked, the same side of the moon faces Saturn all the time, just like our own moon and Earth.

The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...

Interstellar Comet 3I/ATLAS is nearing Earth. Hubble and Juice captured new images, revealing an alien object with a strange ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.