The interstellar object 3I Atlas, approaching Earth at incredible speed, offers a rare chance to study material from outside our solar system without posing any danger. House Republicans break with ...

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In context: NASA estimates that a single galaxy may harbor trillions of rogue planets. These starless worlds drift alone through interstellar space and have no parent star. They remain challenging to ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an exceedingly rare discovery: a mysterious object passing through the solar ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets seem to have been knocked out of their orbits, floating through space free ...

The most sensational story of the year for astronomers has been the discovery of the comet 3I/ATLAS, which was first observed on July 1, 2025 by NASA's Asteroid Terrestrial-impact Last Alert System ...

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar ...

Stargazers and scientists are getting a holiday present from the cosmos this week. 3I/ATLAS, an interstellar comet, will get “closest” to Earth on Friday, December 19, as part of its journey across ...

Two endangered leopard cubs born at Utah's Hogle Zoo Two endangered Amur leopard cubs were born at Utah’s Hogle Zoo, and guests may be able to see them later this summer.The cubs were born Wednesday ...

Newly discovered comet C/2025 V1 (Borisov), which has some minor similarities to 3I/ATLAS, will make its closest approach to Earth on Tuesday (Nov. 11). However, despite recent rumors, the two objects ...

Earlier this month, the comet passed within 12 miles of Mars, giving NASA's HiRISE camera aboard the Mars Reconnaissance Orbiter a chance to capture its closest photos yet. Those images have not been ...