Washington, D.C. – For the first time, astronomers have measured the day and night temperatures of a planet outside our solar system. The team,* which includes Sara Seager of Carnegie’s Depar… ...

Third known interstellar object to pass through solar system, right next to Earth’s orbit by: Marcia Dunn, The Associated Press Posted: Jul 3, 2025 / 06:50 PM CDT Updated: Jul 3, 2025 / 06:50 PM CDT ...

The newest visitor is 416 million miles (670 million kilometers) from the sun, out near Jupiter, and heading this way at a blistering 37 miles (59 kilometers) per second. NASA said the comet will ...

It, too, is believed to be a comet. “We’ve been expecting to see interstellar objects for decades, frankly, and finally we’re seeing them,” Chodas said.