An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

CAPE CANAVERAL, Fla. — NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency spotted ...

The newest visitor is 416 million miles from the sun, out near Jupiter, and heading this way at a blistering 37 miles per ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...

A potential interstellar interloper is currently zooming toward the Sun. Its strange approach angle suggests it may have come ...

And, scientists with the National Aeronautics and Space Administration (NASA) have detected what they like to call a ...

NASA’s Coronal Diagnostic Experiment (CODEX) has released its first set of images showcasing never-before-seen details of the ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

A NASA satellite that’s been orbiting as space junk since 1967, Relay 2, emitted an unexpected, powerful radio burst that ...

NASA's new "CODEX" telescope has snapped its first photos of the sun's outer atmosphere, revealing previously imperceptible ...